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Finding the Fourth Proportional to 303,459.47, 418,774.07 and 169,323.47

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Solution

The fourth proportional to 303,459.47, 418,774.07 and 169,323.47 is: 233,666.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,459.47 : 418,774.07 = 169,323.47 : x
  2. Step 2: Convert to fraction form
    303,459.47/418,774.07 = 169,323.47/x
  3. Step 3: Cross multiply
    303,459.47x = 418,774.07 × 169,323.47
  4. Step 4: Simplify right side
    303,459.47x = 70,908,277,625.82
  5. Step 5: Solve for x
    x = 70,908,277,625.82/303,459.47
  6. Step 6: Final answer
    x = 233,666.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.