Home / 433,983.06-651,395.34-209,501.46

Finding the Fourth Proportional to 433,983.06, 651,395.34 and 209,501.46

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Solution

The fourth proportional to 433,983.06, 651,395.34 and 209,501.46 is: 314,455.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,983.06 : 651,395.34 = 209,501.46 : x
  2. Step 2: Convert to fraction form
    433,983.06/651,395.34 = 209,501.46/x
  3. Step 3: Cross multiply
    433,983.06x = 651,395.34 × 209,501.46
  4. Step 4: Simplify right side
    433,983.06x = 136,468,274,767.20
  5. Step 5: Solve for x
    x = 136,468,274,767.20/433,983.06
  6. Step 6: Final answer
    x = 314,455.30

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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.