Home / 303,056.20-455,459.10-297,807.40

Finding the Fourth Proportional to 303,056.20, 455,459.10 and 297,807.40

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Solution

The fourth proportional to 303,056.20, 455,459.10 and 297,807.40 is: 447,570.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,056.20 : 455,459.10 = 297,807.40 : x
  2. Step 2: Convert to fraction form
    303,056.20/455,459.10 = 297,807.40/x
  3. Step 3: Cross multiply
    303,056.20x = 455,459.10 × 297,807.40
  4. Step 4: Simplify right side
    303,056.20x = 135,639,090,377.34
  5. Step 5: Solve for x
    x = 135,639,090,377.34/303,056.20
  6. Step 6: Final answer
    x = 447,570.75

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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.