Home / 291,828.02-402,714.59-162,770.31

Finding the Fourth Proportional to 291,828.02, 402,714.59 and 162,770.31

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Solution

The fourth proportional to 291,828.02, 402,714.59 and 162,770.31 is: 224,618.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,828.02 : 402,714.59 = 162,770.31 : x
  2. Step 2: Convert to fraction form
    291,828.02/402,714.59 = 162,770.31/x
  3. Step 3: Cross multiply
    291,828.02x = 402,714.59 × 162,770.31
  4. Step 4: Simplify right side
    291,828.02x = 65,549,977,841.97
  5. Step 5: Solve for x
    x = 65,549,977,841.97/291,828.02
  6. Step 6: Final answer
    x = 224,618.52

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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.