Home / 388,985.40-583,478.10-93,497.40

Finding the Fourth Proportional to 388,985.40, 583,478.10 and 93,497.40

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Solution

The fourth proportional to 388,985.40, 583,478.10 and 93,497.40 is: 140,246.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,985.40 : 583,478.10 = 93,497.40 : x
  2. Step 2: Convert to fraction form
    388,985.40/583,478.10 = 93,497.40/x
  3. Step 3: Cross multiply
    388,985.40x = 583,478.10 × 93,497.40
  4. Step 4: Simplify right side
    388,985.40x = 54,553,685,306.94
  5. Step 5: Solve for x
    x = 54,553,685,306.94/388,985.40
  6. Step 6: Final answer
    x = 140,246.10

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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.