Finding the Fourth Proportional to 141,681.84, 212,488.68 and 41,815.08
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Solution
The fourth proportional to 141,681.84, 212,488.68 and 41,815.08 is: 62,712.56
Step by Step Solution
- Step 1: Write the proportion equation
141,681.84 : 212,488.68 = 41,815.08 : x - Step 2: Convert to fraction form
141,681.84/212,488.68 = 41,815.08/x - Step 3: Cross multiply
141,681.84x = 212,488.68 × 41,815.08 - Step 4: Simplify right side
141,681.84x = 8,885,231,153.29 - Step 5: Solve for x
x = 8,885,231,153.29/141,681.84 - Step 6: Final answer
x = 62,712.56
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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.