Home / 447,546.04-671,159.16-147,971.32

Finding the Fourth Proportional to 447,546.04, 671,159.16 and 147,971.32

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Solution

The fourth proportional to 447,546.04, 671,159.16 and 147,971.32 is: 221,904.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,546.04 : 671,159.16 = 147,971.32 : x
  2. Step 2: Convert to fraction form
    447,546.04/671,159.16 = 147,971.32/x
  3. Step 3: Cross multiply
    447,546.04x = 671,159.16 × 147,971.32
  4. Step 4: Simplify right side
    447,546.04x = 99,312,306,835.29
  5. Step 5: Solve for x
    x = 99,312,306,835.29/447,546.04
  6. Step 6: Final answer
    x = 221,904.11

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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.