Home / 243,318.08-333,340.21-234,221.11

Finding the Fourth Proportional to 243,318.08, 333,340.21 and 234,221.11

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Solution

The fourth proportional to 243,318.08, 333,340.21 and 234,221.11 is: 320,877.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,318.08 : 333,340.21 = 234,221.11 : x
  2. Step 2: Convert to fraction form
    243,318.08/333,340.21 = 234,221.11/x
  3. Step 3: Cross multiply
    243,318.08x = 333,340.21 × 234,221.11
  4. Step 4: Simplify right side
    243,318.08x = 78,075,312,135.77
  5. Step 5: Solve for x
    x = 78,075,312,135.77/243,318.08
  6. Step 6: Final answer
    x = 320,877.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.