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Finding the Fourth Proportional to 374,596.34, 516,501.24 and 302,754.20

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Solution

The fourth proportional to 374,596.34, 516,501.24 and 302,754.20 is: 417,443.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,596.34 : 516,501.24 = 302,754.20 : x
  2. Step 2: Convert to fraction form
    374,596.34/516,501.24 = 302,754.20/x
  3. Step 3: Cross multiply
    374,596.34x = 516,501.24 × 302,754.20
  4. Step 4: Simplify right side
    374,596.34x = 156,372,919,715.21
  5. Step 5: Solve for x
    x = 156,372,919,715.21/374,596.34
  6. Step 6: Final answer
    x = 417,443.80

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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.