Home / 259,881.12-358,575.12-152,445.60

Finding the Fourth Proportional to 259,881.12, 358,575.12 and 152,445.60

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Solution

The fourth proportional to 259,881.12, 358,575.12 and 152,445.60 is: 210,339.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,881.12 : 358,575.12 = 152,445.60 : x
  2. Step 2: Convert to fraction form
    259,881.12/358,575.12 = 152,445.60/x
  3. Step 3: Cross multiply
    259,881.12x = 358,575.12 × 152,445.60
  4. Step 4: Simplify right side
    259,881.12x = 54,663,199,313.47
  5. Step 5: Solve for x
    x = 54,663,199,313.47/259,881.12
  6. Step 6: Final answer
    x = 210,339.25

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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.