Finding the Fourth Proportional to 101,557.65, 152,356.99 and 69,982.84
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Solution
The fourth proportional to 101,557.65, 152,356.99 and 69,982.84 is: 104,988.40
Step by Step Solution
- Step 1: Write the proportion equation
101,557.65 : 152,356.99 = 69,982.84 : x - Step 2: Convert to fraction form
101,557.65/152,356.99 = 69,982.84/x - Step 3: Cross multiply
101,557.65x = 152,356.99 × 69,982.84 - Step 4: Simplify right side
101,557.65x = 10,662,374,854.05 - Step 5: Solve for x
x = 10,662,374,854.05/101,557.65 - Step 6: Final answer
x = 104,988.40
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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.