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Finding the Fourth Proportional to 370,040.66, 510,627.60 and 208,911.63

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Solution

The fourth proportional to 370,040.66, 510,627.60 and 208,911.63 is: 288,281.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,040.66 : 510,627.60 = 208,911.63 : x
  2. Step 2: Convert to fraction form
    370,040.66/510,627.60 = 208,911.63/x
  3. Step 3: Cross multiply
    370,040.66x = 510,627.60 × 208,911.63
  4. Step 4: Simplify right side
    370,040.66x = 106,676,044,238.99
  5. Step 5: Solve for x
    x = 106,676,044,238.99/370,040.66
  6. Step 6: Final answer
    x = 288,281.96

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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.