Home / 388,916.64-583,354.80-152,302.68

Finding the Fourth Proportional to 388,916.64, 583,354.80 and 152,302.68

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Solution

The fourth proportional to 388,916.64, 583,354.80 and 152,302.68 is: 228,446.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,916.64 : 583,354.80 = 152,302.68 : x
  2. Step 2: Convert to fraction form
    388,916.64/583,354.80 = 152,302.68/x
  3. Step 3: Cross multiply
    388,916.64x = 583,354.80 × 152,302.68
  4. Step 4: Simplify right side
    388,916.64x = 88,846,499,430.86
  5. Step 5: Solve for x
    x = 88,846,499,430.86/388,916.64
  6. Step 6: Final answer
    x = 228,446.13

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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.