Home / 448,140.80-671,577.60-248,549.12

Finding the Fourth Proportional to 448,140.80, 671,577.60 and 248,549.12

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Solution

The fourth proportional to 448,140.80, 671,577.60 and 248,549.12 is: 372,472.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,140.80 : 671,577.60 = 248,549.12 : x
  2. Step 2: Convert to fraction form
    448,140.80/671,577.60 = 248,549.12/x
  3. Step 3: Cross multiply
    448,140.80x = 671,577.60 × 248,549.12
  4. Step 4: Simplify right side
    448,140.80x = 166,920,021,491.71
  5. Step 5: Solve for x
    x = 166,920,021,491.71/448,140.80
  6. Step 6: Final answer
    x = 372,472.27

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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.