Home / 340,738.80-511,345.35-141,060.23

Finding the Fourth Proportional to 340,738.80, 511,345.35 and 141,060.23

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Solution

The fourth proportional to 340,738.80, 511,345.35 and 141,060.23 is: 211,688.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,738.80 : 511,345.35 = 141,060.23 : x
  2. Step 2: Convert to fraction form
    340,738.80/511,345.35 = 141,060.23/x
  3. Step 3: Cross multiply
    340,738.80x = 511,345.35 × 141,060.23
  4. Step 4: Simplify right side
    340,738.80x = 72,130,492,680.43
  5. Step 5: Solve for x
    x = 72,130,492,680.43/340,738.80
  6. Step 6: Final answer
    x = 211,688.52

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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.