Home / 380,737.18-525,621.03-243,054.58

Finding the Fourth Proportional to 380,737.18, 525,621.03 and 243,054.58

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Solution

The fourth proportional to 380,737.18, 525,621.03 and 243,054.58 is: 335,545.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,737.18 : 525,621.03 = 243,054.58 : x
  2. Step 2: Convert to fraction form
    380,737.18/525,621.03 = 243,054.58/x
  3. Step 3: Cross multiply
    380,737.18x = 525,621.03 × 243,054.58
  4. Step 4: Simplify right side
    380,737.18x = 127,754,598,685.82
  5. Step 5: Solve for x
    x = 127,754,598,685.82/380,737.18
  6. Step 6: Final answer
    x = 335,545.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.