Home / 401,720.04-602,565.48-121,230

Finding the Fourth Proportional to 401,720.04, 602,565.48 and 121,230

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Solution

The fourth proportional to 401,720.04, 602,565.48 and 121,230 is: 181,840.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,720.04 : 602,565.48 = 121,230 : x
  2. Step 2: Convert to fraction form
    401,720.04/602,565.48 = 121,230/x
  3. Step 3: Cross multiply
    401,720.04x = 602,565.48 × 121,230
  4. Step 4: Simplify right side
    401,720.04x = 73,049,013,140.40
  5. Step 5: Solve for x
    x = 73,049,013,140.40/401,720.04
  6. Step 6: Final answer
    x = 181,840.60

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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.