Home / 314,815.95-434,433.35-171,572.91

Finding the Fourth Proportional to 314,815.95, 434,433.35 and 171,572.91

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Solution

The fourth proportional to 314,815.95, 434,433.35 and 171,572.91 is: 236,763.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,815.95 : 434,433.35 = 171,572.91 : x
  2. Step 2: Convert to fraction form
    314,815.95/434,433.35 = 171,572.91/x
  3. Step 3: Cross multiply
    314,815.95x = 434,433.35 × 171,572.91
  4. Step 4: Simplify right side
    314,815.95x = 74,536,993,202.68
  5. Step 5: Solve for x
    x = 74,536,993,202.68/314,815.95
  6. Step 6: Final answer
    x = 236,763.71

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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.