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Finding the Fourth Proportional to 302,642.32, 417,552.24 and 171,798.16

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Solution

The fourth proportional to 302,642.32, 417,552.24 and 171,798.16 is: 237,028.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,642.32 : 417,552.24 = 171,798.16 : x
  2. Step 2: Convert to fraction form
    302,642.32/417,552.24 = 171,798.16/x
  3. Step 3: Cross multiply
    302,642.32x = 417,552.24 × 171,798.16
  4. Step 4: Simplify right side
    302,642.32x = 71,734,706,535.88
  5. Step 5: Solve for x
    x = 71,734,706,535.88/302,642.32
  6. Step 6: Final answer
    x = 237,028.01

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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.