Home / 447,389.16-671,104.80-131,848.80

Finding the Fourth Proportional to 447,389.16, 671,104.80 and 131,848.80

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Solution

The fourth proportional to 447,389.16, 671,104.80 and 131,848.80 is: 197,779.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,389.16 : 671,104.80 = 131,848.80 : x
  2. Step 2: Convert to fraction form
    447,389.16/671,104.80 = 131,848.80/x
  3. Step 3: Cross multiply
    447,389.16x = 671,104.80 × 131,848.80
  4. Step 4: Simplify right side
    447,389.16x = 88,484,362,554.24
  5. Step 5: Solve for x
    x = 88,484,362,554.24/447,389.16
  6. Step 6: Final answer
    x = 197,779.41

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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.