Home / 448,104.40-672,156-208,087.06

Finding the Fourth Proportional to 448,104.40, 672,156 and 208,087.06

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Solution

The fourth proportional to 448,104.40, 672,156 and 208,087.06 is: 312,130.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,104.40 : 672,156 = 208,087.06 : x
  2. Step 2: Convert to fraction form
    448,104.40/672,156 = 208,087.06/x
  3. Step 3: Cross multiply
    448,104.40x = 672,156 × 208,087.06
  4. Step 4: Simplify right side
    448,104.40x = 139,866,965,901.36
  5. Step 5: Solve for x
    x = 139,866,965,901.36/448,104.40
  6. Step 6: Final answer
    x = 312,130.31

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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.