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Finding the Fourth Proportional to 373,125.48, 514,880.60 and 207,521.76

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Solution

The fourth proportional to 373,125.48, 514,880.60 and 207,521.76 is: 286,361.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,125.48 : 514,880.60 = 207,521.76 : x
  2. Step 2: Convert to fraction form
    373,125.48/514,880.60 = 207,521.76/x
  3. Step 3: Cross multiply
    373,125.48x = 514,880.60 × 207,521.76
  4. Step 4: Simplify right side
    373,125.48x = 106,848,928,301.86
  5. Step 5: Solve for x
    x = 106,848,928,301.86/373,125.48
  6. Step 6: Final answer
    x = 286,361.92

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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.