Home / 385,721.70-578,674.28-160,957.23

Finding the Fourth Proportional to 385,721.70, 578,674.28 and 160,957.23

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Solution

The fourth proportional to 385,721.70, 578,674.28 and 160,957.23 is: 241,474.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,721.70 : 578,674.28 = 160,957.23 : x
  2. Step 2: Convert to fraction form
    385,721.70/578,674.28 = 160,957.23/x
  3. Step 3: Cross multiply
    385,721.70x = 578,674.28 × 160,957.23
  4. Step 4: Simplify right side
    385,721.70x = 93,141,809,181.04
  5. Step 5: Solve for x
    x = 93,141,809,181.04/385,721.70
  6. Step 6: Final answer
    x = 241,474.12

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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.