Finding the Fourth Proportional to 306,748.14, 423,164.04 and 197,823.74
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Solution
The fourth proportional to 306,748.14, 423,164.04 and 197,823.74 is: 272,901.06
Step by Step Solution
- Step 1: Write the proportion equation
306,748.14 : 423,164.04 = 197,823.74 : x - Step 2: Convert to fraction form
306,748.14/423,164.04 = 197,823.74/x - Step 3: Cross multiply
306,748.14x = 423,164.04 × 197,823.74 - Step 4: Simplify right side
306,748.14x = 83,711,893,026.31 - Step 5: Solve for x
x = 83,711,893,026.31/306,748.14 - Step 6: Final answer
x = 272,901.06
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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.