Home / 320,434.04-480,645.84-130,852.76

Finding the Fourth Proportional to 320,434.04, 480,645.84 and 130,852.76

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Solution

The fourth proportional to 320,434.04, 480,645.84 and 130,852.76 is: 196,277.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,434.04 : 480,645.84 = 130,852.76 : x
  2. Step 2: Convert to fraction form
    320,434.04/480,645.84 = 130,852.76/x
  3. Step 3: Cross multiply
    320,434.04x = 480,645.84 × 130,852.76
  4. Step 4: Simplify right side
    320,434.04x = 62,893,834,746.52
  5. Step 5: Solve for x
    x = 62,893,834,746.52/320,434.04
  6. Step 6: Final answer
    x = 196,277.01

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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.