Home / 320,275.51-480,584.58-207,929.32

Finding the Fourth Proportional to 320,275.51, 480,584.58 and 207,929.32

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Solution

The fourth proportional to 320,275.51, 480,584.58 and 207,929.32 is: 312,005.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,275.51 : 480,584.58 = 207,929.32 : x
  2. Step 2: Convert to fraction form
    320,275.51/480,584.58 = 207,929.32/x
  3. Step 3: Cross multiply
    320,275.51x = 480,584.58 × 207,929.32
  4. Step 4: Simplify right side
    320,275.51x = 99,927,624,921.89
  5. Step 5: Solve for x
    x = 99,927,624,921.89/320,275.51
  6. Step 6: Final answer
    x = 312,005.20

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1.5x scale

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.