Home / 356,035.48-534,051.87-145,673.35

Finding the Fourth Proportional to 356,035.48, 534,051.87 and 145,673.35

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Solution

The fourth proportional to 356,035.48, 534,051.87 and 145,673.35 is: 218,509.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,035.48 : 534,051.87 = 145,673.35 : x
  2. Step 2: Convert to fraction form
    356,035.48/534,051.87 = 145,673.35/x
  3. Step 3: Cross multiply
    356,035.48x = 534,051.87 × 145,673.35
  4. Step 4: Simplify right side
    356,035.48x = 77,797,124,976.66
  5. Step 5: Solve for x
    x = 77,797,124,976.66/356,035.48
  6. Step 6: Final answer
    x = 218,509.47

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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.