Home / 303,112.46-454,715.40-103,386.18

Finding the Fourth Proportional to 303,112.46, 454,715.40 and 103,386.18

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Solution

The fourth proportional to 303,112.46, 454,715.40 and 103,386.18 is: 155,095.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,112.46 : 454,715.40 = 103,386.18 : x
  2. Step 2: Convert to fraction form
    303,112.46/454,715.40 = 103,386.18/x
  3. Step 3: Cross multiply
    303,112.46x = 454,715.40 × 103,386.18
  4. Step 4: Simplify right side
    303,112.46x = 47,011,288,193.17
  5. Step 5: Solve for x
    x = 47,011,288,193.17/303,112.46
  6. Step 6: Final answer
    x = 155,095.20

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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.