Home / 343,206.90-514,284.03-155,999.70

Finding the Fourth Proportional to 343,206.90, 514,284.03 and 155,999.70

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Solution

The fourth proportional to 343,206.90, 514,284.03 and 155,999.70 is: 233,760.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,206.90 : 514,284.03 = 155,999.70 : x
  2. Step 2: Convert to fraction form
    343,206.90/514,284.03 = 155,999.70/x
  3. Step 3: Cross multiply
    343,206.90x = 514,284.03 × 155,999.70
  4. Step 4: Simplify right side
    343,206.90x = 80,228,154,394.79
  5. Step 5: Solve for x
    x = 80,228,154,394.79/343,206.90
  6. Step 6: Final answer
    x = 233,760.32

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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.