Home / 208,734.18-310,590.53-208,034.34

Finding the Fourth Proportional to 208,734.18, 310,590.53 and 208,034.34

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Solution

The fourth proportional to 208,734.18, 310,590.53 and 208,034.34 is: 309,549.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,734.18 : 310,590.53 = 208,034.34 : x
  2. Step 2: Convert to fraction form
    208,734.18/310,590.53 = 208,034.34/x
  3. Step 3: Cross multiply
    208,734.18x = 310,590.53 × 208,034.34
  4. Step 4: Simplify right side
    208,734.18x = 64,613,494,878.63
  5. Step 5: Solve for x
    x = 64,613,494,878.63/208,734.18
  6. Step 6: Final answer
    x = 309,549.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.