Home / 389,265.04-583,819.74-108,784.72

Finding the Fourth Proportional to 389,265.04, 583,819.74 and 108,784.72

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Solution

The fourth proportional to 389,265.04, 583,819.74 and 108,784.72 is: 163,155.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,265.04 : 583,819.74 = 108,784.72 : x
  2. Step 2: Convert to fraction form
    389,265.04/583,819.74 = 108,784.72/x
  3. Step 3: Cross multiply
    389,265.04x = 583,819.74 × 108,784.72
  4. Step 4: Simplify right side
    389,265.04x = 63,510,666,946.37
  5. Step 5: Solve for x
    x = 63,510,666,946.37/389,265.04
  6. Step 6: Final answer
    x = 163,155.33

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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.