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Finding the Fourth Proportional to 370,032.48, 510,646.32 and 200,266.56

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Solution

The fourth proportional to 370,032.48, 510,646.32 and 200,266.56 is: 276,368.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,032.48 : 510,646.32 = 200,266.56 : x
  2. Step 2: Convert to fraction form
    370,032.48/510,646.32 = 200,266.56/x
  3. Step 3: Cross multiply
    370,032.48x = 510,646.32 × 200,266.56
  4. Step 4: Simplify right side
    370,032.48x = 102,265,381,883.06
  5. Step 5: Solve for x
    x = 102,265,381,883.06/370,032.48
  6. Step 6: Final answer
    x = 276,368.66

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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.