Home / 395,929.71-546,254.55-223,831.08

Finding the Fourth Proportional to 395,929.71, 546,254.55 and 223,831.08

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Solution

The fourth proportional to 395,929.71, 546,254.55 and 223,831.08 is: 308,814.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,929.71 : 546,254.55 = 223,831.08 : x
  2. Step 2: Convert to fraction form
    395,929.71/546,254.55 = 223,831.08/x
  3. Step 3: Cross multiply
    395,929.71x = 546,254.55 × 223,831.08
  4. Step 4: Simplify right side
    395,929.71x = 122,268,745,881.41
  5. Step 5: Solve for x
    x = 122,268,745,881.41/395,929.71
  6. Step 6: Final answer
    x = 308,814.27

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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.