Home / 310,826.84-428,941.70-183,510.64

Finding the Fourth Proportional to 310,826.84, 428,941.70 and 183,510.64

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Solution

The fourth proportional to 310,826.84, 428,941.70 and 183,510.64 is: 253,245.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,826.84 : 428,941.70 = 183,510.64 : x
  2. Step 2: Convert to fraction form
    310,826.84/428,941.70 = 183,510.64/x
  3. Step 3: Cross multiply
    310,826.84x = 428,941.70 × 183,510.64
  4. Step 4: Simplify right side
    310,826.84x = 78,715,365,276.11
  5. Step 5: Solve for x
    x = 78,715,365,276.11/310,826.84
  6. Step 6: Final answer
    x = 253,245.07

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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.