Home / 448,088.94-672,132.80-208,071.59

Finding the Fourth Proportional to 448,088.94, 672,132.80 and 208,071.59

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Solution

The fourth proportional to 448,088.94, 672,132.80 and 208,071.59 is: 312,107.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,088.94 : 672,132.80 = 208,071.59 : x
  2. Step 2: Convert to fraction form
    448,088.94/672,132.80 = 208,071.59/x
  3. Step 3: Cross multiply
    448,088.94x = 672,132.80 × 208,071.59
  4. Step 4: Simplify right side
    448,088.94x = 139,851,741,612.33
  5. Step 5: Solve for x
    x = 139,851,741,612.33/448,088.94
  6. Step 6: Final answer
    x = 312,107.11

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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.