Home / 302,848.13-417,939.06-168,720.77

Finding the Fourth Proportional to 302,848.13, 417,939.06 and 168,720.77

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Solution

The fourth proportional to 302,848.13, 417,939.06 and 168,720.77 is: 232,839.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,848.13 : 417,939.06 = 168,720.77 : x
  2. Step 2: Convert to fraction form
    302,848.13/417,939.06 = 168,720.77/x
  3. Step 3: Cross multiply
    302,848.13x = 417,939.06 × 168,720.77
  4. Step 4: Simplify right side
    302,848.13x = 70,514,997,926.58
  5. Step 5: Solve for x
    x = 70,514,997,926.58/302,848.13
  6. Step 6: Final answer
    x = 232,839.47

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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.