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Finding the Fourth Proportional to 307,657.64, 424,759.74 and 235,899.74

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Solution

The fourth proportional to 307,657.64, 424,759.74 and 235,899.74 is: 325,689.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,657.64 : 424,759.74 = 235,899.74 : x
  2. Step 2: Convert to fraction form
    307,657.64/424,759.74 = 235,899.74/x
  3. Step 3: Cross multiply
    307,657.64x = 424,759.74 × 235,899.74
  4. Step 4: Simplify right side
    307,657.64x = 100,200,712,228.47
  5. Step 5: Solve for x
    x = 100,200,712,228.47/307,657.64
  6. Step 6: Final answer
    x = 325,689.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.