Home / 409,845.90-614,809.86-125,533.16

Finding the Fourth Proportional to 409,845.90, 614,809.86 and 125,533.16

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Solution

The fourth proportional to 409,845.90, 614,809.86 and 125,533.16 is: 188,312.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,845.90 : 614,809.86 = 125,533.16 : x
  2. Step 2: Convert to fraction form
    409,845.90/614,809.86 = 125,533.16/x
  3. Step 3: Cross multiply
    409,845.90x = 614,809.86 × 125,533.16
  4. Step 4: Simplify right side
    409,845.90x = 77,179,026,744.00
  5. Step 5: Solve for x
    x = 77,179,026,744.00/409,845.90
  6. Step 6: Final answer
    x = 188,312.31

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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.