Home / 286,678.20-427,598.48-248,941.52

Finding the Fourth Proportional to 286,678.20, 427,598.48 and 248,941.52

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Solution

The fourth proportional to 286,678.20, 427,598.48 and 248,941.52 is: 371,311.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,678.20 : 427,598.48 = 248,941.52 : x
  2. Step 2: Convert to fraction form
    286,678.20/427,598.48 = 248,941.52/x
  3. Step 3: Cross multiply
    286,678.20x = 427,598.48 × 248,941.52
  4. Step 4: Simplify right side
    286,678.20x = 106,447,012,178.19
  5. Step 5: Solve for x
    x = 106,447,012,178.19/286,678.20
  6. Step 6: Final answer
    x = 371,311.85

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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.