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Finding the Fourth Proportional to 374,378.51, 516,642.36 and 204,612.64

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Solution

The fourth proportional to 374,378.51, 516,642.36 and 204,612.64 is: 282,365.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,378.51 : 516,642.36 = 204,612.64 : x
  2. Step 2: Convert to fraction form
    374,378.51/516,642.36 = 204,612.64/x
  3. Step 3: Cross multiply
    374,378.51x = 516,642.36 × 204,612.64
  4. Step 4: Simplify right side
    374,378.51x = 105,711,557,215.43
  5. Step 5: Solve for x
    x = 105,711,557,215.43/374,378.51
  6. Step 6: Final answer
    x = 282,365.45

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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.