Home / 385,738.65-578,700.36-160,974.06

Finding the Fourth Proportional to 385,738.65, 578,700.36 and 160,974.06

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Solution

The fourth proportional to 385,738.65, 578,700.36 and 160,974.06 is: 241,499.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,738.65 : 578,700.36 = 160,974.06 : x
  2. Step 2: Convert to fraction form
    385,738.65/578,700.36 = 160,974.06/x
  3. Step 3: Cross multiply
    385,738.65x = 578,700.36 × 160,974.06
  4. Step 4: Simplify right side
    385,738.65x = 93,155,746,472.66
  5. Step 5: Solve for x
    x = 93,155,746,472.66/385,738.65
  6. Step 6: Final answer
    x = 241,499.64

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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.