Home / 301,748.10-416,415.20-165,784.87

Finding the Fourth Proportional to 301,748.10, 416,415.20 and 165,784.87

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Solution

The fourth proportional to 301,748.10, 416,415.20 and 165,784.87 is: 228,784.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,748.10 : 416,415.20 = 165,784.87 : x
  2. Step 2: Convert to fraction form
    301,748.10/416,415.20 = 165,784.87/x
  3. Step 3: Cross multiply
    301,748.10x = 416,415.20 × 165,784.87
  4. Step 4: Simplify right side
    301,748.10x = 69,035,337,928.06
  5. Step 5: Solve for x
    x = 69,035,337,928.06/301,748.10
  6. Step 6: Final answer
    x = 228,784.66

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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.