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Finding the Fourth Proportional to 303,501.70, 418,829.90 and 167,535.45

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Solution

The fourth proportional to 303,501.70, 418,829.90 and 167,535.45 is: 231,197.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,501.70 : 418,829.90 = 167,535.45 : x
  2. Step 2: Convert to fraction form
    303,501.70/418,829.90 = 167,535.45/x
  3. Step 3: Cross multiply
    303,501.70x = 418,829.90 × 167,535.45
  4. Step 4: Simplify right side
    303,501.70x = 70,168,853,675.81
  5. Step 5: Solve for x
    x = 70,168,853,675.81/303,501.70
  6. Step 6: Final answer
    x = 231,197.57

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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.