Home / 401,459.36-602,189.28-101,962.40

Finding the Fourth Proportional to 401,459.36, 602,189.28 and 101,962.40

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Solution

The fourth proportional to 401,459.36, 602,189.28 and 101,962.40 is: 152,943.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,459.36 : 602,189.28 = 101,962.40 : x
  2. Step 2: Convert to fraction form
    401,459.36/602,189.28 = 101,962.40/x
  3. Step 3: Cross multiply
    401,459.36x = 602,189.28 × 101,962.40
  4. Step 4: Simplify right side
    401,459.36x = 61,400,664,243.07
  5. Step 5: Solve for x
    x = 61,400,664,243.07/401,459.36
  6. Step 6: Final answer
    x = 152,943.66

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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.