Home / 306,599.49-459,899.40-137,922.77

Finding the Fourth Proportional to 306,599.49, 459,899.40 and 137,922.77

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Solution

The fourth proportional to 306,599.49, 459,899.40 and 137,922.77 is: 206,884.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,599.49 : 459,899.40 = 137,922.77 : x
  2. Step 2: Convert to fraction form
    306,599.49/459,899.40 = 137,922.77/x
  3. Step 3: Cross multiply
    306,599.49x = 459,899.40 × 137,922.77
  4. Step 4: Simplify right side
    306,599.49x = 63,430,596,869.84
  5. Step 5: Solve for x
    x = 63,430,596,869.84/306,599.49
  6. Step 6: Final answer
    x = 206,884.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.