Home / 346,089.20-519,279.60-188,430.80

Finding the Fourth Proportional to 346,089.20, 519,279.60 and 188,430.80

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Solution

The fourth proportional to 346,089.20, 519,279.60 and 188,430.80 is: 282,725.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,089.20 : 519,279.60 = 188,430.80 : x
  2. Step 2: Convert to fraction form
    346,089.20/519,279.60 = 188,430.80/x
  3. Step 3: Cross multiply
    346,089.20x = 519,279.60 × 188,430.80
  4. Step 4: Simplify right side
    346,089.20x = 97,848,270,451.68
  5. Step 5: Solve for x
    x = 97,848,270,451.68/346,089.20
  6. Step 6: Final answer
    x = 282,725.58

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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.