Home / 291,842.02-402,741.75-157,706.02

Finding the Fourth Proportional to 291,842.02, 402,741.75 and 157,706.02

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Solution

The fourth proportional to 291,842.02, 402,741.75 and 157,706.02 is: 217,634.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,842.02 : 402,741.75 = 157,706.02 : x
  2. Step 2: Convert to fraction form
    291,842.02/402,741.75 = 157,706.02/x
  3. Step 3: Cross multiply
    291,842.02x = 402,741.75 × 157,706.02
  4. Step 4: Simplify right side
    291,842.02x = 63,514,798,480.34
  5. Step 5: Solve for x
    x = 63,514,798,480.34/291,842.02
  6. Step 6: Final answer
    x = 217,634.18

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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.