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Finding the Fourth Proportional to 341,404.76, 471,360.50 and 305,533.10

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Solution

The fourth proportional to 341,404.76, 471,360.50 and 305,533.10 is: 421,834.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,404.76 : 471,360.50 = 305,533.10 : x
  2. Step 2: Convert to fraction form
    341,404.76/471,360.50 = 305,533.10/x
  3. Step 3: Cross multiply
    341,404.76x = 471,360.50 × 305,533.10
  4. Step 4: Simplify right side
    341,404.76x = 144,016,234,782.55
  5. Step 5: Solve for x
    x = 144,016,234,782.55/341,404.76
  6. Step 6: Final answer
    x = 421,834.29

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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.