Home / 347,074.80-521,094.02-178,715.44

Finding the Fourth Proportional to 347,074.80, 521,094.02 and 178,715.44

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Solution

The fourth proportional to 347,074.80, 521,094.02 and 178,715.44 is: 268,321.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,074.80 : 521,094.02 = 178,715.44 : x
  2. Step 2: Convert to fraction form
    347,074.80/521,094.02 = 178,715.44/x
  3. Step 3: Cross multiply
    347,074.80x = 521,094.02 × 178,715.44
  4. Step 4: Simplify right side
    347,074.80x = 93,127,547,065.67
  5. Step 5: Solve for x
    x = 93,127,547,065.67/347,074.80
  6. Step 6: Final answer
    x = 268,321.26

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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.