Home / 215,235.02-322,870.56-65,476.45

Finding the Fourth Proportional to 215,235.02, 322,870.56 and 65,476.45

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Solution

The fourth proportional to 215,235.02, 322,870.56 and 65,476.45 is: 98,220.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,235.02 : 322,870.56 = 65,476.45 : x
  2. Step 2: Convert to fraction form
    215,235.02/322,870.56 = 65,476.45/x
  3. Step 3: Cross multiply
    215,235.02x = 322,870.56 × 65,476.45
  4. Step 4: Simplify right side
    215,235.02x = 21,140,418,236.36
  5. Step 5: Solve for x
    x = 21,140,418,236.36/215,235.02
  6. Step 6: Final answer
    x = 98,220.16

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1.5x scale

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.