Home / 209,319.32-313,955.63-57,528.03

Finding the Fourth Proportional to 209,319.32, 313,955.63 and 57,528.03

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Solution

The fourth proportional to 209,319.32, 313,955.63 and 57,528.03 is: 86,285.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,319.32 : 313,955.63 = 57,528.03 : x
  2. Step 2: Convert to fraction form
    209,319.32/313,955.63 = 57,528.03/x
  3. Step 3: Cross multiply
    209,319.32x = 313,955.63 × 57,528.03
  4. Step 4: Simplify right side
    209,319.32x = 18,061,248,613.67
  5. Step 5: Solve for x
    x = 18,061,248,613.67/209,319.32
  6. Step 6: Final answer
    x = 86,285.63

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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.