Home / 292,345.29-438,559.47-89,958.18

Finding the Fourth Proportional to 292,345.29, 438,559.47 and 89,958.18

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Solution

The fourth proportional to 292,345.29, 438,559.47 and 89,958.18 is: 134,950.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,345.29 : 438,559.47 = 89,958.18 : x
  2. Step 2: Convert to fraction form
    292,345.29/438,559.47 = 89,958.18/x
  3. Step 3: Cross multiply
    292,345.29x = 438,559.47 × 89,958.18
  4. Step 4: Simplify right side
    292,345.29x = 39,452,011,742.96
  5. Step 5: Solve for x
    x = 39,452,011,742.96/292,345.29
  6. Step 6: Final answer
    x = 134,950.05

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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.