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Finding the Fourth Proportional to 401,457.36, 602,186.28 and 101,960.40

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Solution

The fourth proportional to 401,457.36, 602,186.28 and 101,960.40 is: 152,940.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,457.36 : 602,186.28 = 101,960.40 : x
  2. Step 2: Convert to fraction form
    401,457.36/602,186.28 = 101,960.40/x
  3. Step 3: Cross multiply
    401,457.36x = 602,186.28 × 101,960.40
  4. Step 4: Simplify right side
    401,457.36x = 61,399,153,983.31
  5. Step 5: Solve for x
    x = 61,399,153,983.31/401,457.36
  6. Step 6: Final answer
    x = 152,940.66

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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.