Finding the Fourth Proportional to 258,316.24, 387,463.84 and 89,875.12
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Solution
The fourth proportional to 258,316.24, 387,463.84 and 89,875.12 is: 134,809.02
Step by Step Solution
- Step 1: Write the proportion equation
258,316.24 : 387,463.84 = 89,875.12 : x - Step 2: Convert to fraction form
258,316.24/387,463.84 = 89,875.12/x - Step 3: Cross multiply
258,316.24x = 387,463.84 × 89,875.12 - Step 4: Simplify right side
258,316.24x = 34,823,359,115.66 - Step 5: Solve for x
x = 34,823,359,115.66/258,316.24 - Step 6: Final answer
x = 134,809.02
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1.5x scale
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.