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Finding the Fourth Proportional to 302,851.96, 417,762.30 and 189,477.88

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Solution

The fourth proportional to 302,851.96, 417,762.30 and 189,477.88 is: 261,370.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,851.96 : 417,762.30 = 189,477.88 : x
  2. Step 2: Convert to fraction form
    302,851.96/417,762.30 = 189,477.88/x
  3. Step 3: Cross multiply
    302,851.96x = 417,762.30 × 189,477.88
  4. Step 4: Simplify right side
    302,851.96x = 79,156,714,947.92
  5. Step 5: Solve for x
    x = 79,156,714,947.92/302,851.96
  6. Step 6: Final answer
    x = 261,370.98

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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.