Home / 314,815.57-434,432.84-171,572.54

Finding the Fourth Proportional to 314,815.57, 434,432.84 and 171,572.54

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Solution

The fourth proportional to 314,815.57, 434,432.84 and 171,572.54 is: 236,763.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,815.57 : 434,432.84 = 171,572.54 : x
  2. Step 2: Convert to fraction form
    314,815.57/434,432.84 = 171,572.54/x
  3. Step 3: Cross multiply
    314,815.57x = 434,432.84 × 171,572.54
  4. Step 4: Simplify right side
    314,815.57x = 74,536,742,788.19
  5. Step 5: Solve for x
    x = 74,536,742,788.19/314,815.57
  6. Step 6: Final answer
    x = 236,763.21

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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.