Home / 333,623.40-500,435.10-215,428.20

Finding the Fourth Proportional to 333,623.40, 500,435.10 and 215,428.20

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Solution

The fourth proportional to 333,623.40, 500,435.10 and 215,428.20 is: 323,142.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,623.40 : 500,435.10 = 215,428.20 : x
  2. Step 2: Convert to fraction form
    333,623.40/500,435.10 = 215,428.20/x
  3. Step 3: Cross multiply
    333,623.40x = 500,435.10 × 215,428.20
  4. Step 4: Simplify right side
    333,623.40x = 107,807,832,809.82
  5. Step 5: Solve for x
    x = 107,807,832,809.82/333,623.40
  6. Step 6: Final answer
    x = 323,142.30

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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.