Finding the Fourth Proportional to 149,084.16, 223,557.12 and 86,772.48
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Solution
The fourth proportional to 149,084.16, 223,557.12 and 86,772.48 is: 130,118.49
Step by Step Solution
- Step 1: Write the proportion equation
149,084.16 : 223,557.12 = 86,772.48 : x - Step 2: Convert to fraction form
149,084.16/223,557.12 = 86,772.48/x - Step 3: Cross multiply
149,084.16x = 223,557.12 × 86,772.48 - Step 4: Simplify right side
149,084.16x = 19,398,605,724.06 - Step 5: Solve for x
x = 19,398,605,724.06/149,084.16 - Step 6: Final answer
x = 130,118.49
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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.