Home / 280,150.48-386,625.95-159,303.02

Finding the Fourth Proportional to 280,150.48, 386,625.95 and 159,303.02

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Solution

The fourth proportional to 280,150.48, 386,625.95 and 159,303.02 is: 219,848.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,150.48 : 386,625.95 = 159,303.02 : x
  2. Step 2: Convert to fraction form
    280,150.48/386,625.95 = 159,303.02/x
  3. Step 3: Cross multiply
    280,150.48x = 386,625.95 × 159,303.02
  4. Step 4: Simplify right side
    280,150.48x = 61,590,681,445.37
  5. Step 5: Solve for x
    x = 61,590,681,445.37/280,150.48
  6. Step 6: Final answer
    x = 219,848.57

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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.