Home / 370,030.20-554,462.10-310,543.80

Finding the Fourth Proportional to 370,030.20, 554,462.10 and 310,543.80

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Solution

The fourth proportional to 370,030.20, 554,462.10 and 310,543.80 is: 465,326.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,030.20 : 554,462.10 = 310,543.80 : x
  2. Step 2: Convert to fraction form
    370,030.20/554,462.10 = 310,543.80/x
  3. Step 3: Cross multiply
    370,030.20x = 554,462.10 × 310,543.80
  4. Step 4: Simplify right side
    370,030.20x = 172,184,767,489.98
  5. Step 5: Solve for x
    x = 172,184,767,489.98/370,030.20
  6. Step 6: Final answer
    x = 465,326.26

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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.