Home / 652,009.18-977,903.05-172,242.20

Finding the Fourth Proportional to 652,009.18, 977,903.05 and 172,242.20

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Solution

The fourth proportional to 652,009.18, 977,903.05 and 172,242.20 is: 258,334.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,009.18 : 977,903.05 = 172,242.20 : x
  2. Step 2: Convert to fraction form
    652,009.18/977,903.05 = 172,242.20/x
  3. Step 3: Cross multiply
    652,009.18x = 977,903.05 × 172,242.20
  4. Step 4: Simplify right side
    652,009.18x = 168,436,176,889.38
  5. Step 5: Solve for x
    x = 168,436,176,889.38/652,009.18
  6. Step 6: Final answer
    x = 258,334.06

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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.