Home / 384,292.50-530,283.35-223,116.06

Finding the Fourth Proportional to 384,292.50, 530,283.35 and 223,116.06

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Solution

The fourth proportional to 384,292.50, 530,283.35 and 223,116.06 is: 307,876.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,292.50 : 530,283.35 = 223,116.06 : x
  2. Step 2: Convert to fraction form
    384,292.50/530,283.35 = 223,116.06/x
  3. Step 3: Cross multiply
    384,292.50x = 530,283.35 × 223,116.06
  4. Step 4: Simplify right side
    384,292.50x = 118,314,730,620.02
  5. Step 5: Solve for x
    x = 118,314,730,620.02/384,292.50
  6. Step 6: Final answer
    x = 307,876.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.