Home / 406,370.90-609,558.38-166,615.76

Finding the Fourth Proportional to 406,370.90, 609,558.38 and 166,615.76

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Solution

The fourth proportional to 406,370.90, 609,558.38 and 166,615.76 is: 249,924.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,370.90 : 609,558.38 = 166,615.76 : x
  2. Step 2: Convert to fraction form
    406,370.90/609,558.38 = 166,615.76/x
  3. Step 3: Cross multiply
    406,370.90x = 609,558.38 × 166,615.76
  4. Step 4: Simplify right side
    406,370.90x = 101,562,032,748.07
  5. Step 5: Solve for x
    x = 101,562,032,748.07/406,370.90
  6. Step 6: Final answer
    x = 249,924.47

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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.