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Finding the Fourth Proportional to 380,059.55, 524,482.23 and 207,977.55

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Solution

The fourth proportional to 380,059.55, 524,482.23 and 207,977.55 is: 287,009.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,059.55 : 524,482.23 = 207,977.55 : x
  2. Step 2: Convert to fraction form
    380,059.55/524,482.23 = 207,977.55/x
  3. Step 3: Cross multiply
    380,059.55x = 524,482.23 × 207,977.55
  4. Step 4: Simplify right side
    380,059.55x = 109,080,529,213.94
  5. Step 5: Solve for x
    x = 109,080,529,213.94/380,059.55
  6. Step 6: Final answer
    x = 287,009.05

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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.