Home / 401,282.04-602,120.28-161,386.38

Finding the Fourth Proportional to 401,282.04, 602,120.28 and 161,386.38

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Solution

The fourth proportional to 401,282.04, 602,120.28 and 161,386.38 is: 242,158.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,282.04 : 602,120.28 = 161,386.38 : x
  2. Step 2: Convert to fraction form
    401,282.04/602,120.28 = 161,386.38/x
  3. Step 3: Cross multiply
    401,282.04x = 602,120.28 × 161,386.38
  4. Step 4: Simplify right side
    401,282.04x = 97,174,012,313.79
  5. Step 5: Solve for x
    x = 97,174,012,313.79/401,282.04
  6. Step 6: Final answer
    x = 242,158.89

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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.