Home / 401,765.28-602,643.60-98,162.16

Finding the Fourth Proportional to 401,765.28, 602,643.60 and 98,162.16

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Solution

The fourth proportional to 401,765.28, 602,643.60 and 98,162.16 is: 147,242.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,765.28 : 602,643.60 = 98,162.16 : x
  2. Step 2: Convert to fraction form
    401,765.28/602,643.60 = 98,162.16/x
  3. Step 3: Cross multiply
    401,765.28x = 602,643.60 × 98,162.16
  4. Step 4: Simplify right side
    401,765.28x = 59,156,797,486.18
  5. Step 5: Solve for x
    x = 59,156,797,486.18/401,765.28
  6. Step 6: Final answer
    x = 147,242.18

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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.