Finding the Fourth Proportional to 158,392.84, 218,442.42 and 97,953.88
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Solution
The fourth proportional to 158,392.84, 218,442.42 and 97,953.88 is: 135,089.96
Step by Step Solution
- Step 1: Write the proportion equation
158,392.84 : 218,442.42 = 97,953.88 : x - Step 2: Convert to fraction form
158,392.84/218,442.42 = 97,953.88/x - Step 3: Cross multiply
158,392.84x = 218,442.42 × 97,953.88 - Step 4: Simplify right side
158,392.84x = 21,397,282,595.59 - Step 5: Solve for x
x = 21,397,282,595.59/158,392.84 - Step 6: Final answer
x = 135,089.96
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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.