Home / 282,761.02-390,210.24-161,942.37

Finding the Fourth Proportional to 282,761.02, 390,210.24 and 161,942.37

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Solution

The fourth proportional to 282,761.02, 390,210.24 and 161,942.37 is: 223,480.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,761.02 : 390,210.24 = 161,942.37 : x
  2. Step 2: Convert to fraction form
    282,761.02/390,210.24 = 161,942.37/x
  3. Step 3: Cross multiply
    282,761.02x = 390,210.24 × 161,942.37
  4. Step 4: Simplify right side
    282,761.02x = 63,191,571,063.87
  5. Step 5: Solve for x
    x = 63,191,571,063.87/282,761.02
  6. Step 6: Final answer
    x = 223,480.49

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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.