Home / 288,643.02-398,069.43-181,223.07

Finding the Fourth Proportional to 288,643.02, 398,069.43 and 181,223.07

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Solution

The fourth proportional to 288,643.02, 398,069.43 and 181,223.07 is: 249,925.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,643.02 : 398,069.43 = 181,223.07 : x
  2. Step 2: Convert to fraction form
    288,643.02/398,069.43 = 181,223.07/x
  3. Step 3: Cross multiply
    288,643.02x = 398,069.43 × 181,223.07
  4. Step 4: Simplify right side
    288,643.02x = 72,139,364,177.75
  5. Step 5: Solve for x
    x = 72,139,364,177.75/288,643.02
  6. Step 6: Final answer
    x = 249,925.89

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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.