Home / 353,090.22-487,267.67-191,945.58

Finding the Fourth Proportional to 353,090.22, 487,267.67 and 191,945.58

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Solution

The fourth proportional to 353,090.22, 487,267.67 and 191,945.58 is: 264,886.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,090.22 : 487,267.67 = 191,945.58 : x
  2. Step 2: Convert to fraction form
    353,090.22/487,267.67 = 191,945.58/x
  3. Step 3: Cross multiply
    353,090.22x = 487,267.67 × 191,945.58
  4. Step 4: Simplify right side
    353,090.22x = 93,528,875,533.40
  5. Step 5: Solve for x
    x = 93,528,875,533.40/353,090.22
  6. Step 6: Final answer
    x = 264,886.62

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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.