Home / 314,720.18-434,308.37-171,481.40

Finding the Fourth Proportional to 314,720.18, 434,308.37 and 171,481.40

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Solution

The fourth proportional to 314,720.18, 434,308.37 and 171,481.40 is: 236,641.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,720.18 : 434,308.37 = 171,481.40 : x
  2. Step 2: Convert to fraction form
    314,720.18/434,308.37 = 171,481.40/x
  3. Step 3: Cross multiply
    314,720.18x = 434,308.37 × 171,481.40
  4. Step 4: Simplify right side
    314,720.18x = 74,475,807,319.32
  5. Step 5: Solve for x
    x = 74,475,807,319.32/314,720.18
  6. Step 6: Final answer
    x = 236,641.35

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1.5x scale

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.