Home / 390,895.08-586,366.94-141,579.24

Finding the Fourth Proportional to 390,895.08, 586,366.94 and 141,579.24

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Solution

The fourth proportional to 390,895.08, 586,366.94 and 141,579.24 is: 212,377.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,895.08 : 586,366.94 = 141,579.24 : x
  2. Step 2: Convert to fraction form
    390,895.08/586,366.94 = 141,579.24/x
  3. Step 3: Cross multiply
    390,895.08x = 586,366.94 × 141,579.24
  4. Step 4: Simplify right side
    390,895.08x = 83,017,385,726.33
  5. Step 5: Solve for x
    x = 83,017,385,726.33/390,895.08
  6. Step 6: Final answer
    x = 212,377.67

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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.