Home / 210,424.28-290,385.50-114,931.19

Finding the Fourth Proportional to 210,424.28, 290,385.50 and 114,931.19

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Solution

The fourth proportional to 210,424.28, 290,385.50 and 114,931.19 is: 158,605.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,424.28 : 290,385.50 = 114,931.19 : x
  2. Step 2: Convert to fraction form
    210,424.28/290,385.50 = 114,931.19/x
  3. Step 3: Cross multiply
    210,424.28x = 290,385.50 × 114,931.19
  4. Step 4: Simplify right side
    210,424.28x = 33,374,351,225.05
  5. Step 5: Solve for x
    x = 33,374,351,225.05/210,424.28
  6. Step 6: Final answer
    x = 158,605.04

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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.