Home / 282,440.36-423,455.40-132,603.56

Finding the Fourth Proportional to 282,440.36, 423,455.40 and 132,603.56

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Solution

The fourth proportional to 282,440.36, 423,455.40 and 132,603.56 is: 198,809.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,440.36 : 423,455.40 = 132,603.56 : x
  2. Step 2: Convert to fraction form
    282,440.36/423,455.40 = 132,603.56/x
  3. Step 3: Cross multiply
    282,440.36x = 423,455.40 × 132,603.56
  4. Step 4: Simplify right side
    282,440.36x = 56,151,693,541.22
  5. Step 5: Solve for x
    x = 56,151,693,541.22/282,440.36
  6. Step 6: Final answer
    x = 198,809.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.