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Finding the Fourth Proportional to 369,659.40, 510,129.36 and 199,893.12

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Solution

The fourth proportional to 369,659.40, 510,129.36 and 199,893.12 is: 275,852.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,659.40 : 510,129.36 = 199,893.12 : x
  2. Step 2: Convert to fraction form
    369,659.40/510,129.36 = 199,893.12/x
  3. Step 3: Cross multiply
    369,659.40x = 510,129.36 × 199,893.12
  4. Step 4: Simplify right side
    369,659.40x = 101,971,349,374.00
  5. Step 5: Solve for x
    x = 101,971,349,374.00/369,659.40
  6. Step 6: Final answer
    x = 275,852.17

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1.5x scale

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.