Home / 386,051.02-532,749.63-216,281.50

Finding the Fourth Proportional to 386,051.02, 532,749.63 and 216,281.50

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Solution

The fourth proportional to 386,051.02, 532,749.63 and 216,281.50 is: 298,468.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,051.02 : 532,749.63 = 216,281.50 : x
  2. Step 2: Convert to fraction form
    386,051.02/532,749.63 = 216,281.50/x
  3. Step 3: Cross multiply
    386,051.02x = 532,749.63 × 216,281.50
  4. Step 4: Simplify right side
    386,051.02x = 115,223,889,100.85
  5. Step 5: Solve for x
    x = 115,223,889,100.85/386,051.02
  6. Step 6: Final answer
    x = 298,468.03

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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.