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Finding the Fourth Proportional to 314,695.58, 434,284.88 and 171,455.58

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Solution

The fourth proportional to 314,695.58, 434,284.88 and 171,455.58 is: 236,611.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,695.58 : 434,284.88 = 171,455.58 : x
  2. Step 2: Convert to fraction form
    314,695.58/434,284.88 = 171,455.58/x
  3. Step 3: Cross multiply
    314,695.58x = 434,284.88 × 171,455.58
  4. Step 4: Simplify right side
    314,695.58x = 74,460,565,128.35
  5. Step 5: Solve for x
    x = 74,460,565,128.35/314,695.58
  6. Step 6: Final answer
    x = 236,611.41

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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.