Home / 220,973.10-304,812.63-156,369.66

Finding the Fourth Proportional to 220,973.10, 304,812.63 and 156,369.66

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Solution

The fourth proportional to 220,973.10, 304,812.63 and 156,369.66 is: 215,697.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,973.10 : 304,812.63 = 156,369.66 : x
  2. Step 2: Convert to fraction form
    220,973.10/304,812.63 = 156,369.66/x
  3. Step 3: Cross multiply
    220,973.10x = 304,812.63 × 156,369.66
  4. Step 4: Simplify right side
    220,973.10x = 47,663,447,316.81
  5. Step 5: Solve for x
    x = 47,663,447,316.81/220,973.10
  6. Step 6: Final answer
    x = 215,697.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.