Home / 389,037.10-583,390.40-152,342.14

Finding the Fourth Proportional to 389,037.10, 583,390.40 and 152,342.14

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Solution

The fourth proportional to 389,037.10, 583,390.40 and 152,342.14 is: 228,448.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,037.10 : 583,390.40 = 152,342.14 : x
  2. Step 2: Convert to fraction form
    389,037.10/583,390.40 = 152,342.14/x
  3. Step 3: Cross multiply
    389,037.10x = 583,390.40 × 152,342.14
  4. Step 4: Simplify right side
    389,037.10x = 88,874,941,991.46
  5. Step 5: Solve for x
    x = 88,874,941,991.46/389,037.10
  6. Step 6: Final answer
    x = 228,448.50

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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.