Home / 385,338.47-578,111.58-160,624.22

Finding the Fourth Proportional to 385,338.47, 578,111.58 and 160,624.22

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Solution

The fourth proportional to 385,338.47, 578,111.58 and 160,624.22 is: 240,979.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,338.47 : 578,111.58 = 160,624.22 : x
  2. Step 2: Convert to fraction form
    385,338.47/578,111.58 = 160,624.22/x
  3. Step 3: Cross multiply
    385,338.47x = 578,111.58 × 160,624.22
  4. Step 4: Simplify right side
    385,338.47x = 92,858,718,719.91
  5. Step 5: Solve for x
    x = 92,858,718,719.91/385,338.47
  6. Step 6: Final answer
    x = 240,979.62

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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.