Finding the Fourth Proportional to 97,787.80, 146,813.70 and 62,795.80
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Solution
The fourth proportional to 97,787.80, 146,813.70 and 62,795.80 is: 94,278.47
Step by Step Solution
- Step 1: Write the proportion equation
97,787.80 : 146,813.70 = 62,795.80 : x - Step 2: Convert to fraction form
97,787.80/146,813.70 = 62,795.80/x - Step 3: Cross multiply
97,787.80x = 146,813.70 × 62,795.80 - Step 4: Simplify right side
97,787.80x = 9,219,283,742.46 - Step 5: Solve for x
x = 9,219,283,742.46/97,787.80 - Step 6: Final answer
x = 94,278.47
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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.