Home / 302,283.90-416,868.59-187,581.15

Finding the Fourth Proportional to 302,283.90, 416,868.59 and 187,581.15

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Solution

The fourth proportional to 302,283.90, 416,868.59 and 187,581.15 is: 258,686.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,283.90 : 416,868.59 = 187,581.15 : x
  2. Step 2: Convert to fraction form
    302,283.90/416,868.59 = 187,581.15/x
  3. Step 3: Cross multiply
    302,283.90x = 416,868.59 × 187,581.15
  4. Step 4: Simplify right side
    302,283.90x = 78,196,688,573.17
  5. Step 5: Solve for x
    x = 78,196,688,573.17/302,283.90
  6. Step 6: Final answer
    x = 258,686.25

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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.