Home / 302,740.50-417,086.37-239,055.06

Finding the Fourth Proportional to 302,740.50, 417,086.37 and 239,055.06

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Solution

The fourth proportional to 302,740.50, 417,086.37 and 239,055.06 is: 329,346.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,740.50 : 417,086.37 = 239,055.06 : x
  2. Step 2: Convert to fraction form
    302,740.50/417,086.37 = 239,055.06/x
  3. Step 3: Cross multiply
    302,740.50x = 417,086.37 × 239,055.06
  4. Step 4: Simplify right side
    302,740.50x = 99,706,607,205.53
  5. Step 5: Solve for x
    x = 99,706,607,205.53/302,740.50
  6. Step 6: Final answer
    x = 329,346.77

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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.