Home / 370,034.20-554,468.10-310,547.80

Finding the Fourth Proportional to 370,034.20, 554,468.10 and 310,547.80

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Solution

The fourth proportional to 370,034.20, 554,468.10 and 310,547.80 is: 465,332.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,034.20 : 554,468.10 = 310,547.80 : x
  2. Step 2: Convert to fraction form
    370,034.20/554,468.10 = 310,547.80/x
  3. Step 3: Cross multiply
    370,034.20x = 554,468.10 × 310,547.80
  4. Step 4: Simplify right side
    370,034.20x = 172,188,848,625.18
  5. Step 5: Solve for x
    x = 172,188,848,625.18/370,034.20
  6. Step 6: Final answer
    x = 465,332.25

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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.