Home / 388,968.16-583,446.40-237,209.80

Finding the Fourth Proportional to 388,968.16, 583,446.40 and 237,209.80

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Solution

The fourth proportional to 388,968.16, 583,446.40 and 237,209.80 is: 355,811.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,968.16 : 583,446.40 = 237,209.80 : x
  2. Step 2: Convert to fraction form
    388,968.16/583,446.40 = 237,209.80/x
  3. Step 3: Cross multiply
    388,968.16x = 583,446.40 × 237,209.80
  4. Step 4: Simplify right side
    388,968.16x = 138,399,203,854.72
  5. Step 5: Solve for x
    x = 138,399,203,854.72/388,968.16
  6. Step 6: Final answer
    x = 355,811.14

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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.