Home / 448,034.22-672,070.23-208,373.04

Finding the Fourth Proportional to 448,034.22, 672,070.23 and 208,373.04

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Solution

The fourth proportional to 448,034.22, 672,070.23 and 208,373.04 is: 312,568.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,034.22 : 672,070.23 = 208,373.04 : x
  2. Step 2: Convert to fraction form
    448,034.22/672,070.23 = 208,373.04/x
  3. Step 3: Cross multiply
    448,034.22x = 672,070.23 × 208,373.04
  4. Step 4: Simplify right side
    448,034.22x = 140,041,316,918.60
  5. Step 5: Solve for x
    x = 140,041,316,918.60/448,034.22
  6. Step 6: Final answer
    x = 312,568.35

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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.