Home / 434,218.77-651,514.05-181,558.32

Finding the Fourth Proportional to 434,218.77, 651,514.05 and 181,558.32

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Solution

The fourth proportional to 434,218.77, 651,514.05 and 181,558.32 is: 272,415.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,218.77 : 651,514.05 = 181,558.32 : x
  2. Step 2: Convert to fraction form
    434,218.77/651,514.05 = 181,558.32/x
  3. Step 3: Cross multiply
    434,218.77x = 651,514.05 × 181,558.32
  4. Step 4: Simplify right side
    434,218.77x = 118,287,796,374.40
  5. Step 5: Solve for x
    x = 118,287,796,374.40/434,218.77
  6. Step 6: Final answer
    x = 272,415.21

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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.