Home / 291,555.30-402,348.33-162,502.10

Finding the Fourth Proportional to 291,555.30, 402,348.33 and 162,502.10

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Solution

The fourth proportional to 291,555.30, 402,348.33 and 162,502.10 is: 224,254.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,555.30 : 402,348.33 = 162,502.10 : x
  2. Step 2: Convert to fraction form
    291,555.30/402,348.33 = 162,502.10/x
  3. Step 3: Cross multiply
    291,555.30x = 402,348.33 × 162,502.10
  4. Step 4: Simplify right side
    291,555.30x = 65,382,448,556.49
  5. Step 5: Solve for x
    x = 65,382,448,556.49/291,555.30
  6. Step 6: Final answer
    x = 224,254.02

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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.