Home / 355,272.10-532,908.15-307,579.30

Finding the Fourth Proportional to 355,272.10, 532,908.15 and 307,579.30

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Solution

The fourth proportional to 355,272.10, 532,908.15 and 307,579.30 is: 461,368.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,272.10 : 532,908.15 = 307,579.30 : x
  2. Step 2: Convert to fraction form
    355,272.10/532,908.15 = 307,579.30/x
  3. Step 3: Cross multiply
    355,272.10x = 532,908.15 × 307,579.30
  4. Step 4: Simplify right side
    355,272.10x = 163,911,515,741.30
  5. Step 5: Solve for x
    x = 163,911,515,741.30/355,272.10
  6. Step 6: Final answer
    x = 461,368.95

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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.