Home / 303,367.10-455,050.65-103,639.33

Finding the Fourth Proportional to 303,367.10, 455,050.65 and 103,639.33

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Solution

The fourth proportional to 303,367.10, 455,050.65 and 103,639.33 is: 155,459.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,367.10 : 455,050.65 = 103,639.33 : x
  2. Step 2: Convert to fraction form
    303,367.10/455,050.65 = 103,639.33/x
  3. Step 3: Cross multiply
    303,367.10x = 455,050.65 × 103,639.33
  4. Step 4: Simplify right side
    303,367.10x = 47,161,144,482.06
  5. Step 5: Solve for x
    x = 47,161,144,482.06/303,367.10
  6. Step 6: Final answer
    x = 155,459.00

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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.