Home / 448,280.02-672,053.59-208,543.35

Finding the Fourth Proportional to 448,280.02, 672,053.59 and 208,543.35

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Solution

The fourth proportional to 448,280.02, 672,053.59 and 208,543.35 is: 312,644.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,280.02 : 672,053.59 = 208,543.35 : x
  2. Step 2: Convert to fraction form
    448,280.02/672,053.59 = 208,543.35/x
  3. Step 3: Cross multiply
    448,280.02x = 672,053.59 × 208,543.35
  4. Step 4: Simplify right side
    448,280.02x = 140,152,309,036.97
  5. Step 5: Solve for x
    x = 140,152,309,036.97/448,280.02
  6. Step 6: Final answer
    x = 312,644.56

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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.