Home / 385,026.60-531,309.72-223,870.23

Finding the Fourth Proportional to 385,026.60, 531,309.72 and 223,870.23

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Solution

The fourth proportional to 385,026.60, 531,309.72 and 223,870.23 is: 308,925.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,026.60 : 531,309.72 = 223,870.23 : x
  2. Step 2: Convert to fraction form
    385,026.60/531,309.72 = 223,870.23/x
  3. Step 3: Cross multiply
    385,026.60x = 531,309.72 × 223,870.23
  4. Step 4: Simplify right side
    385,026.60x = 118,944,429,217.64
  5. Step 5: Solve for x
    x = 118,944,429,217.64/385,026.60
  6. Step 6: Final answer
    x = 308,925.23

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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.