Home / 306,300.06-459,574.02-137,702.34

Finding the Fourth Proportional to 306,300.06, 459,574.02 and 137,702.34

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Solution

The fourth proportional to 306,300.06, 459,574.02 and 137,702.34 is: 206,609.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,300.06 : 459,574.02 = 137,702.34 : x
  2. Step 2: Convert to fraction form
    306,300.06/459,574.02 = 137,702.34/x
  3. Step 3: Cross multiply
    306,300.06x = 459,574.02 × 137,702.34
  4. Step 4: Simplify right side
    306,300.06x = 63,284,417,957.21
  5. Step 5: Solve for x
    x = 63,284,417,957.21/306,300.06
  6. Step 6: Final answer
    x = 206,609.22

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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.