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Finding the Fourth Proportional to 377,200.61, 520,526.46 and 207,434.74

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Solution

The fourth proportional to 377,200.61, 520,526.46 and 207,434.74 is: 286,254.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,200.61 : 520,526.46 = 207,434.74 : x
  2. Step 2: Convert to fraction form
    377,200.61/520,526.46 = 207,434.74/x
  3. Step 3: Cross multiply
    377,200.61x = 520,526.46 × 207,434.74
  4. Step 4: Simplify right side
    377,200.61x = 107,975,268,290.59
  5. Step 5: Solve for x
    x = 107,975,268,290.59/377,200.61
  6. Step 6: Final answer
    x = 286,254.23

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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.