Home / 635,730.16-953,235.80-209,150.55

Finding the Fourth Proportional to 635,730.16, 953,235.80 and 209,150.55

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Solution

The fourth proportional to 635,730.16, 953,235.80 and 209,150.55 is: 313,607.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,730.16 : 953,235.80 = 209,150.55 : x
  2. Step 2: Convert to fraction form
    635,730.16/953,235.80 = 209,150.55/x
  3. Step 3: Cross multiply
    635,730.16x = 953,235.80 × 209,150.55
  4. Step 4: Simplify right side
    635,730.16x = 199,369,791,849.69
  5. Step 5: Solve for x
    x = 199,369,791,849.69/635,730.16
  6. Step 6: Final answer
    x = 313,607.57

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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.