Home / 219,296.19-328,956.03-69,547.86

Finding the Fourth Proportional to 219,296.19, 328,956.03 and 69,547.86

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Solution

The fourth proportional to 219,296.19, 328,956.03 and 69,547.86 is: 104,325.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,296.19 : 328,956.03 = 69,547.86 : x
  2. Step 2: Convert to fraction form
    219,296.19/328,956.03 = 69,547.86/x
  3. Step 3: Cross multiply
    219,296.19x = 328,956.03 × 69,547.86
  4. Step 4: Simplify right side
    219,296.19x = 22,878,187,920.60
  5. Step 5: Solve for x
    x = 22,878,187,920.60/219,296.19
  6. Step 6: Final answer
    x = 104,325.51

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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.