Home / 314,569.10-434,105.28-171,329.15

Finding the Fourth Proportional to 314,569.10, 434,105.28 and 171,329.15

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Solution

The fourth proportional to 314,569.10, 434,105.28 and 171,329.15 is: 236,434.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,569.10 : 434,105.28 = 171,329.15 : x
  2. Step 2: Convert to fraction form
    314,569.10/434,105.28 = 171,329.15/x
  3. Step 3: Cross multiply
    314,569.10x = 434,105.28 × 171,329.15
  4. Step 4: Simplify right side
    314,569.10x = 74,374,886,462.39
  5. Step 5: Solve for x
    x = 74,374,886,462.39/314,569.10
  6. Step 6: Final answer
    x = 236,434.18

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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.