Finding the Fourth Proportional to 287,851.29, 397,215.99 and 158,782.02
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Solution
The fourth proportional to 287,851.29, 397,215.99 and 158,782.02 is: 219,108.82
Step by Step Solution
- Step 1: Write the proportion equation
287,851.29 : 397,215.99 = 158,782.02 : x - Step 2: Convert to fraction form
287,851.29/397,215.99 = 158,782.02/x - Step 3: Cross multiply
287,851.29x = 397,215.99 × 158,782.02 - Step 4: Simplify right side
287,851.29x = 63,070,757,268.50 - Step 5: Solve for x
x = 63,070,757,268.50/287,851.29 - Step 6: Final answer
x = 219,108.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.