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Finding the Fourth Proportional to 200,070.70, 299,449.95 and 155,455.90

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Solution

The fourth proportional to 200,070.70, 299,449.95 and 155,455.90 is: 232,674.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,070.70 : 299,449.95 = 155,455.90 : x
  2. Step 2: Convert to fraction form
    200,070.70/299,449.95 = 155,455.90/x
  3. Step 3: Cross multiply
    200,070.70x = 299,449.95 × 155,455.90
  4. Step 4: Simplify right side
    200,070.70x = 46,551,261,482.21
  5. Step 5: Solve for x
    x = 46,551,261,482.21/200,070.70
  6. Step 6: Final answer
    x = 232,674.06

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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.