Home / 389,468.16-583,931.52-152,834.40

Finding the Fourth Proportional to 389,468.16, 583,931.52 and 152,834.40

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Solution

The fourth proportional to 389,468.16, 583,931.52 and 152,834.40 is: 229,145.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,468.16 : 583,931.52 = 152,834.40 : x
  2. Step 2: Convert to fraction form
    389,468.16/583,931.52 = 152,834.40/x
  3. Step 3: Cross multiply
    389,468.16x = 583,931.52 × 152,834.40
  4. Step 4: Simplify right side
    389,468.16x = 89,244,823,500.29
  5. Step 5: Solve for x
    x = 89,244,823,500.29/389,468.16
  6. Step 6: Final answer
    x = 229,145.36

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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.