Home / 282,733.59-390,173.66-155,417.39

Finding the Fourth Proportional to 282,733.59, 390,173.66 and 155,417.39

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Solution

The fourth proportional to 282,733.59, 390,173.66 and 155,417.39 is: 214,476.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,733.59 : 390,173.66 = 155,417.39 : x
  2. Step 2: Convert to fraction form
    282,733.59/390,173.66 = 155,417.39/x
  3. Step 3: Cross multiply
    282,733.59x = 390,173.66 × 155,417.39
  4. Step 4: Simplify right side
    282,733.59x = 60,639,771,883.95
  5. Step 5: Solve for x
    x = 60,639,771,883.95/282,733.59
  6. Step 6: Final answer
    x = 214,476.72

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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.