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Finding the Fourth Proportional to 346,750.80, 520,077.60 and 110,117.40

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Solution

The fourth proportional to 346,750.80, 520,077.60 and 110,117.40 is: 165,160.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,750.80 : 520,077.60 = 110,117.40 : x
  2. Step 2: Convert to fraction form
    346,750.80/520,077.60 = 110,117.40/x
  3. Step 3: Cross multiply
    346,750.80x = 520,077.60 × 110,117.40
  4. Step 4: Simplify right side
    346,750.80x = 57,269,593,110.24
  5. Step 5: Solve for x
    x = 57,269,593,110.24/346,750.80
  6. Step 6: Final answer
    x = 165,160.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.