Home / 288,514.55-432,731.51-98,971.82

Finding the Fourth Proportional to 288,514.55, 432,731.51 and 98,971.82

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Solution

The fourth proportional to 288,514.55, 432,731.51 and 98,971.82 is: 148,443.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,514.55 : 432,731.51 = 98,971.82 : x
  2. Step 2: Convert to fraction form
    288,514.55/432,731.51 = 98,971.82/x
  3. Step 3: Cross multiply
    288,514.55x = 432,731.51 × 98,971.82
  4. Step 4: Simplify right side
    288,514.55x = 42,828,224,621.19
  5. Step 5: Solve for x
    x = 42,828,224,621.19/288,514.55
  6. Step 6: Final answer
    x = 148,443.90

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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.