Finding the Fourth Proportional to 448,952.95, 619,568.13 and 245,016.99
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Solution
The fourth proportional to 448,952.95, 619,568.13 and 245,016.99 is: 338,130.57
Step by Step Solution
- Step 1: Write the proportion equation
448,952.95 : 619,568.13 = 245,016.99 : x - Step 2: Convert to fraction form
448,952.95/619,568.13 = 245,016.99/x - Step 3: Cross multiply
448,952.95x = 619,568.13 × 245,016.99 - Step 4: Simplify right side
448,952.95x = 151,804,714,602.15 - Step 5: Solve for x
x = 151,804,714,602.15/448,952.95 - Step 6: Final answer
x = 338,130.57
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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.