Finding the Fourth Proportional to 216,848.96, 299,253.08 and 121,364.52
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Solution
The fourth proportional to 216,848.96, 299,253.08 and 121,364.52 is: 167,483.89
Step by Step Solution
- Step 1: Write the proportion equation
216,848.96 : 299,253.08 = 121,364.52 : x - Step 2: Convert to fraction form
216,848.96/299,253.08 = 121,364.52/x - Step 3: Cross multiply
216,848.96x = 299,253.08 × 121,364.52 - Step 4: Simplify right side
216,848.96x = 36,318,706,412.72 - Step 5: Solve for x
x = 36,318,706,412.72/216,848.96 - Step 6: Final answer
x = 167,483.89
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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.