Home / 314,834.48-434,458.86-171,591.44

Finding the Fourth Proportional to 314,834.48, 434,458.86 and 171,591.44

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Solution

The fourth proportional to 314,834.48, 434,458.86 and 171,591.44 is: 236,789.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,834.48 : 434,458.86 = 171,591.44 : x
  2. Step 2: Convert to fraction form
    314,834.48/434,458.86 = 171,591.44/x
  3. Step 3: Cross multiply
    314,834.48x = 434,458.86 × 171,591.44
  4. Step 4: Simplify right side
    314,834.48x = 74,549,421,408.16
  5. Step 5: Solve for x
    x = 74,549,421,408.16/314,834.48
  6. Step 6: Final answer
    x = 236,789.25

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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.