Finding the Fourth Proportional to 154,696.96, 232,045.64 and 42,378.18
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Solution
The fourth proportional to 154,696.96, 232,045.64 and 42,378.18 is: 63,567.32
Step by Step Solution
- Step 1: Write the proportion equation
154,696.96 : 232,045.64 = 42,378.18 : x - Step 2: Convert to fraction form
154,696.96/232,045.64 = 42,378.18/x - Step 3: Cross multiply
154,696.96x = 232,045.64 × 42,378.18 - Step 4: Simplify right side
154,696.96x = 9,833,671,900.14 - Step 5: Solve for x
x = 9,833,671,900.14/154,696.96 - Step 6: Final answer
x = 63,567.32
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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.