Home / 388,905.96-583,506.14-152,418.28

Finding the Fourth Proportional to 388,905.96, 583,506.14 and 152,418.28

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Solution

The fourth proportional to 388,905.96, 583,506.14 and 152,418.28 is: 228,685.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,905.96 : 583,506.14 = 152,418.28 : x
  2. Step 2: Convert to fraction form
    388,905.96/583,506.14 = 152,418.28/x
  3. Step 3: Cross multiply
    388,905.96x = 583,506.14 × 152,418.28
  4. Step 4: Simplify right side
    388,905.96x = 88,937,002,228.24
  5. Step 5: Solve for x
    x = 88,937,002,228.24/388,905.96
  6. Step 6: Final answer
    x = 228,685.11

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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.