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Finding the Fourth Proportional to 360,444.12, 540,748.32 and 191,875.64

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Solution

The fourth proportional to 360,444.12, 540,748.32 and 191,875.64 is: 287,857.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,444.12 : 540,748.32 = 191,875.64 : x
  2. Step 2: Convert to fraction form
    360,444.12/540,748.32 = 191,875.64/x
  3. Step 3: Cross multiply
    360,444.12x = 540,748.32 × 191,875.64
  4. Step 4: Simplify right side
    360,444.12x = 103,756,429,978.93
  5. Step 5: Solve for x
    x = 103,756,429,978.93/360,444.12
  6. Step 6: Final answer
    x = 287,857.19

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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.