Finding the Fourth Proportional to 193,374.80, 266,873.28 and 107,341.88
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Solution
The fourth proportional to 193,374.80, 266,873.28 and 107,341.88 is: 148,140.71
Step by Step Solution
- Step 1: Write the proportion equation
193,374.80 : 266,873.28 = 107,341.88 : x - Step 2: Convert to fraction form
193,374.80/266,873.28 = 107,341.88/x - Step 3: Cross multiply
193,374.80x = 266,873.28 × 107,341.88 - Step 4: Simplify right side
193,374.80x = 28,646,679,596.97 - Step 5: Solve for x
x = 28,646,679,596.97/193,374.80 - Step 6: Final answer
x = 148,140.71
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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.