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Finding the Fourth Proportional to 302,055.29, 416,899.71 and 191,602.49

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Solution

The fourth proportional to 302,055.29, 416,899.71 and 191,602.49 is: 264,451.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,055.29 : 416,899.71 = 191,602.49 : x
  2. Step 2: Convert to fraction form
    302,055.29/416,899.71 = 191,602.49/x
  3. Step 3: Cross multiply
    302,055.29x = 416,899.71 × 191,602.49
  4. Step 4: Simplify right side
    302,055.29x = 79,879,020,431.78
  5. Step 5: Solve for x
    x = 79,879,020,431.78/302,055.29
  6. Step 6: Final answer
    x = 264,451.66

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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.