Home / 314,895.20-472,342.80-275,529.20

Finding the Fourth Proportional to 314,895.20, 472,342.80 and 275,529.20

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Solution

The fourth proportional to 314,895.20, 472,342.80 and 275,529.20 is: 413,293.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,895.20 : 472,342.80 = 275,529.20 : x
  2. Step 2: Convert to fraction form
    314,895.20/472,342.80 = 275,529.20/x
  3. Step 3: Cross multiply
    314,895.20x = 472,342.80 × 275,529.20
  4. Step 4: Simplify right side
    314,895.20x = 130,144,233,809.76
  5. Step 5: Solve for x
    x = 130,144,233,809.76/314,895.20
  6. Step 6: Final answer
    x = 413,293.80

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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.