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Finding the Fourth Proportional to 286,677.88, 427,598.01 and 248,941.20

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Solution

The fourth proportional to 286,677.88, 427,598.01 and 248,941.20 is: 371,311.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,677.88 : 427,598.01 = 248,941.20 : x
  2. Step 2: Convert to fraction form
    286,677.88/427,598.01 = 248,941.20/x
  3. Step 3: Cross multiply
    286,677.88x = 427,598.01 × 248,941.20
  4. Step 4: Simplify right side
    286,677.88x = 106,446,761,727.01
  5. Step 5: Solve for x
    x = 106,446,761,727.01/286,677.88
  6. Step 6: Final answer
    x = 371,311.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.