Home / 476,211.30-657,151.02-261,355.02

Finding the Fourth Proportional to 476,211.30, 657,151.02 and 261,355.02

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Solution

The fourth proportional to 476,211.30, 657,151.02 and 261,355.02 is: 360,658.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,211.30 : 657,151.02 = 261,355.02 : x
  2. Step 2: Convert to fraction form
    476,211.30/657,151.02 = 261,355.02/x
  3. Step 3: Cross multiply
    476,211.30x = 657,151.02 × 261,355.02
  4. Step 4: Simplify right side
    476,211.30x = 171,749,717,975.12
  5. Step 5: Solve for x
    x = 171,749,717,975.12/476,211.30
  6. Step 6: Final answer
    x = 360,658.64

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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.