Home / 356,143.23-534,210.39-143,005.50

Finding the Fourth Proportional to 356,143.23, 534,210.39 and 143,005.50

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Solution

The fourth proportional to 356,143.23, 534,210.39 and 143,005.50 is: 214,506.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,143.23 : 534,210.39 = 143,005.50 : x
  2. Step 2: Convert to fraction form
    356,143.23/534,210.39 = 143,005.50/x
  3. Step 3: Cross multiply
    356,143.23x = 534,210.39 × 143,005.50
  4. Step 4: Simplify right side
    356,143.23x = 76,395,023,927.15
  5. Step 5: Solve for x
    x = 76,395,023,927.15/356,143.23
  6. Step 6: Final answer
    x = 214,506.46

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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.