Home / 282,927.43-390,442.47-153,867.13

Finding the Fourth Proportional to 282,927.43, 390,442.47 and 153,867.13

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Solution

The fourth proportional to 282,927.43, 390,442.47 and 153,867.13 is: 212,338.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,927.43 : 390,442.47 = 153,867.13 : x
  2. Step 2: Convert to fraction form
    282,927.43/390,442.47 = 153,867.13/x
  3. Step 3: Cross multiply
    282,927.43x = 390,442.47 × 153,867.13
  4. Step 4: Simplify right side
    282,927.43x = 60,076,262,289.01
  5. Step 5: Solve for x
    x = 60,076,262,289.01/282,927.43
  6. Step 6: Final answer
    x = 212,338.06

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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.