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Finding the Fourth Proportional to 377,242.68, 520,599.24 and 207,479.64

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Solution

The fourth proportional to 377,242.68, 520,599.24 and 207,479.64 is: 286,324.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,242.68 : 520,599.24 = 207,479.64 : x
  2. Step 2: Convert to fraction form
    377,242.68/520,599.24 = 207,479.64/x
  3. Step 3: Cross multiply
    377,242.68x = 520,599.24 × 207,479.64
  4. Step 4: Simplify right side
    377,242.68x = 108,013,742,899.47
  5. Step 5: Solve for x
    x = 108,013,742,899.47/377,242.68
  6. Step 6: Final answer
    x = 286,324.29

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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.