Home / 343,852.23-515,612.45-144,119.00

Finding the Fourth Proportional to 343,852.23, 515,612.45 and 144,119.00

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Solution

The fourth proportional to 343,852.23, 515,612.45 and 144,119.00 is: 216,108.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,852.23 : 515,612.45 = 144,119.00 : x
  2. Step 2: Convert to fraction form
    343,852.23/515,612.45 = 144,119.00/x
  3. Step 3: Cross multiply
    343,852.23x = 515,612.45 × 144,119.00
  4. Step 4: Simplify right side
    343,852.23x = 74,309,547,382.89
  5. Step 5: Solve for x
    x = 74,309,547,382.89/343,852.23
  6. Step 6: Final answer
    x = 216,108.96

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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.