Home / 302,275.25-417,142.28-168,139.25

Finding the Fourth Proportional to 302,275.25, 417,142.28 and 168,139.25

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Solution

The fourth proportional to 302,275.25, 417,142.28 and 168,139.25 is: 232,033.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,275.25 : 417,142.28 = 168,139.25 : x
  2. Step 2: Convert to fraction form
    302,275.25/417,142.28 = 168,139.25/x
  3. Step 3: Cross multiply
    302,275.25x = 417,142.28 × 168,139.25
  4. Step 4: Simplify right side
    302,275.25x = 70,137,990,102.49
  5. Step 5: Solve for x
    x = 70,137,990,102.49/302,275.25
  6. Step 6: Final answer
    x = 232,033.52

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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.