Finding the Fourth Proportional to 658,443.99, 908,647.02 and 356,637.99
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Solution
The fourth proportional to 658,443.99, 908,647.02 and 356,637.99 is: 492,157.35
Step by Step Solution
- Step 1: Write the proportion equation
658,443.99 : 908,647.02 = 356,637.99 : x - Step 2: Convert to fraction form
658,443.99/908,647.02 = 356,637.99/x - Step 3: Cross multiply
658,443.99x = 908,647.02 × 356,637.99 - Step 4: Simplify right side
658,443.99x = 324,058,046,832.29 - Step 5: Solve for x
x = 324,058,046,832.29/658,443.99 - Step 6: Final answer
x = 492,157.35
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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.