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Finding the Fourth Proportional to 334,280.70, 501,422.13 and 84,962.70

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Solution

The fourth proportional to 334,280.70, 501,422.13 and 84,962.70 is: 127,444.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,280.70 : 501,422.13 = 84,962.70 : x
  2. Step 2: Convert to fraction form
    334,280.70/501,422.13 = 84,962.70/x
  3. Step 3: Cross multiply
    334,280.70x = 501,422.13 × 84,962.70
  4. Step 4: Simplify right side
    334,280.70x = 42,602,178,004.55
  5. Step 5: Solve for x
    x = 42,602,178,004.55/334,280.70
  6. Step 6: Final answer
    x = 127,444.32

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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.