Home / 380,529.92-525,135.14-229,597.76

Finding the Fourth Proportional to 380,529.92, 525,135.14 and 229,597.76

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Solution

The fourth proportional to 380,529.92, 525,135.14 and 229,597.76 is: 316,847.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,529.92 : 525,135.14 = 229,597.76 : x
  2. Step 2: Convert to fraction form
    380,529.92/525,135.14 = 229,597.76/x
  3. Step 3: Cross multiply
    380,529.92x = 525,135.14 × 229,597.76
  4. Step 4: Simplify right side
    380,529.92x = 120,569,851,841.29
  5. Step 5: Solve for x
    x = 120,569,851,841.29/380,529.92
  6. Step 6: Final answer
    x = 316,847.23

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1.5x scale

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.