Finding the Fourth Proportional to 258,475.08, 356,715.18 and 145,314.84
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Solution
The fourth proportional to 258,475.08, 356,715.18 and 145,314.84 is: 200,545.48
Step by Step Solution
- Step 1: Write the proportion equation
258,475.08 : 356,715.18 = 145,314.84 : x - Step 2: Convert to fraction form
258,475.08/356,715.18 = 145,314.84/x - Step 3: Cross multiply
258,475.08x = 356,715.18 × 145,314.84 - Step 4: Simplify right side
258,475.08x = 51,836,009,307.27 - Step 5: Solve for x
x = 51,836,009,307.27/258,475.08 - Step 6: Final answer
x = 200,545.48
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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.