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Finding the Fourth Proportional to 370,256.54, 510,943.73 and 219,353.54

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Solution

The fourth proportional to 370,256.54, 510,943.73 and 219,353.54 is: 302,701.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,256.54 : 510,943.73 = 219,353.54 : x
  2. Step 2: Convert to fraction form
    370,256.54/510,943.73 = 219,353.54/x
  3. Step 3: Cross multiply
    370,256.54x = 510,943.73 × 219,353.54
  4. Step 4: Simplify right side
    370,256.54x = 112,077,312,264.82
  5. Step 5: Solve for x
    x = 112,077,312,264.82/370,256.54
  6. Step 6: Final answer
    x = 302,701.78

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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.