Home / 389,341.14-583,731.33-239,271.42

Finding the Fourth Proportional to 389,341.14, 583,731.33 and 239,271.42

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Solution

The fourth proportional to 389,341.14, 583,731.33 and 239,271.42 is: 358,734.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,341.14 : 583,731.33 = 239,271.42 : x
  2. Step 2: Convert to fraction form
    389,341.14/583,731.33 = 239,271.42/x
  3. Step 3: Cross multiply
    389,341.14x = 583,731.33 × 239,271.42
  4. Step 4: Simplify right side
    389,341.14x = 139,670,224,227.59
  5. Step 5: Solve for x
    x = 139,670,224,227.59/389,341.14
  6. Step 6: Final answer
    x = 358,734.82

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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.