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Finding the Fourth Proportional to 372,935, 514,632.30 and 211,768.76

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Solution

The fourth proportional to 372,935, 514,632.30 and 211,768.76 is: 292,230.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,935 : 514,632.30 = 211,768.76 : x
  2. Step 2: Convert to fraction form
    372,935/514,632.30 = 211,768.76/x
  3. Step 3: Cross multiply
    372,935x = 514,632.30 × 211,768.76
  4. Step 4: Simplify right side
    372,935x = 108,983,044,026.95
  5. Step 5: Solve for x
    x = 108,983,044,026.95/372,935
  6. Step 6: Final answer
    x = 292,230.67

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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.