Finding the Fourth Proportional to 476,622.99, 714,933.89 and 121,637.02
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Solution
The fourth proportional to 476,622.99, 714,933.89 and 121,637.02 is: 182,455.38
Step by Step Solution
- Step 1: Write the proportion equation
476,622.99 : 714,933.89 = 121,637.02 : x - Step 2: Convert to fraction form
476,622.99/714,933.89 = 121,637.02/x - Step 3: Cross multiply
476,622.99x = 714,933.89 × 121,637.02 - Step 4: Simplify right side
476,622.99x = 86,962,427,876.61 - Step 5: Solve for x
x = 86,962,427,876.61/476,622.99 - Step 6: Final answer
x = 182,455.38
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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.