Home / 219,802.78-329,700.57-70,041.06

Finding the Fourth Proportional to 219,802.78, 329,700.57 and 70,041.06

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Solution

The fourth proportional to 219,802.78, 329,700.57 and 70,041.06 is: 105,060.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,802.78 : 329,700.57 = 70,041.06 : x
  2. Step 2: Convert to fraction form
    219,802.78/329,700.57 = 70,041.06/x
  3. Step 3: Cross multiply
    219,802.78x = 329,700.57 × 70,041.06
  4. Step 4: Simplify right side
    219,802.78x = 23,092,577,405.40
  5. Step 5: Solve for x
    x = 23,092,577,405.40/219,802.78
  6. Step 6: Final answer
    x = 105,060.44

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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.