Home / 486,196.49-670,988.27-268,447.16

Finding the Fourth Proportional to 486,196.49, 670,988.27 and 268,447.16

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Solution

The fourth proportional to 486,196.49, 670,988.27 and 268,447.16 is: 370,477.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,196.49 : 670,988.27 = 268,447.16 : x
  2. Step 2: Convert to fraction form
    486,196.49/670,988.27 = 268,447.16/x
  3. Step 3: Cross multiply
    486,196.49x = 670,988.27 × 268,447.16
  4. Step 4: Simplify right side
    486,196.49x = 180,124,897,823.40
  5. Step 5: Solve for x
    x = 180,124,897,823.40/486,196.49
  6. Step 6: Final answer
    x = 370,477.58

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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.