Home / 292,327.16-438,323.20-89,870.58

Finding the Fourth Proportional to 292,327.16, 438,323.20 and 89,870.58

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Solution

The fourth proportional to 292,327.16, 438,323.20 and 89,870.58 is: 134,754.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,327.16 : 438,323.20 = 89,870.58 : x
  2. Step 2: Convert to fraction form
    292,327.16/438,323.20 = 89,870.58/x
  3. Step 3: Cross multiply
    292,327.16x = 438,323.20 × 89,870.58
  4. Step 4: Simplify right side
    292,327.16x = 39,392,359,986.78
  5. Step 5: Solve for x
    x = 39,392,359,986.78/292,327.16
  6. Step 6: Final answer
    x = 134,754.36

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1.5x scale

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.