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Finding the Fourth Proportional to 251,368.68, 377,108.64 and 82,941.12

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Solution

The fourth proportional to 251,368.68, 377,108.64 and 82,941.12 is: 124,430.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,368.68 : 377,108.64 = 82,941.12 : x
  2. Step 2: Convert to fraction form
    251,368.68/377,108.64 = 82,941.12/x
  3. Step 3: Cross multiply
    251,368.68x = 377,108.64 × 82,941.12
  4. Step 4: Simplify right side
    251,368.68x = 31,277,812,963.28
  5. Step 5: Solve for x
    x = 31,277,812,963.28/251,368.68
  6. Step 6: Final answer
    x = 124,430.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.