Home / 219,330.60-328,995.90-163,343.40

Finding the Fourth Proportional to 219,330.60, 328,995.90 and 163,343.40

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Solution

The fourth proportional to 219,330.60, 328,995.90 and 163,343.40 is: 245,015.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,330.60 : 328,995.90 = 163,343.40 : x
  2. Step 2: Convert to fraction form
    219,330.60/328,995.90 = 163,343.40/x
  3. Step 3: Cross multiply
    219,330.60x = 328,995.90 × 163,343.40
  4. Step 4: Simplify right side
    219,330.60x = 53,739,308,892.06
  5. Step 5: Solve for x
    x = 53,739,308,892.06/219,330.60
  6. Step 6: Final answer
    x = 245,015.10

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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.