Home / 385,731.81-578,690.06-160,967.19

Finding the Fourth Proportional to 385,731.81, 578,690.06 and 160,967.19

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Solution

The fourth proportional to 385,731.81, 578,690.06 and 160,967.19 is: 241,489.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,731.81 : 578,690.06 = 160,967.19 : x
  2. Step 2: Convert to fraction form
    385,731.81/578,690.06 = 160,967.19/x
  3. Step 3: Cross multiply
    385,731.81x = 578,690.06 × 160,967.19
  4. Step 4: Simplify right side
    385,731.81x = 93,150,109,140.85
  5. Step 5: Solve for x
    x = 93,150,109,140.85/385,731.81
  6. Step 6: Final answer
    x = 241,489.31

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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.