Home / 310,947.54-429,218.40-183,623.64

Finding the Fourth Proportional to 310,947.54, 429,218.40 and 183,623.64

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Solution

The fourth proportional to 310,947.54, 429,218.40 and 183,623.64 is: 253,466.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,947.54 : 429,218.40 = 183,623.64 : x
  2. Step 2: Convert to fraction form
    310,947.54/429,218.40 = 183,623.64/x
  3. Step 3: Cross multiply
    310,947.54x = 429,218.40 × 183,623.64
  4. Step 4: Simplify right side
    310,947.54x = 78,814,644,962.98
  5. Step 5: Solve for x
    x = 78,814,644,962.98/310,947.54
  6. Step 6: Final answer
    x = 253,466.05

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1.5x scale

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.