Finding the Fourth Proportional to 664,159.95, 996,132.96 and 190,737.63
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Solution
The fourth proportional to 664,159.95, 996,132.96 and 190,737.63 is: 286,075.73
Step by Step Solution
- Step 1: Write the proportion equation
664,159.95 : 996,132.96 = 190,737.63 : x - Step 2: Convert to fraction form
664,159.95/996,132.96 = 190,737.63/x - Step 3: Cross multiply
664,159.95x = 996,132.96 × 190,737.63 - Step 4: Simplify right side
664,159.95x = 190,000,039,955.29 - Step 5: Solve for x
x = 190,000,039,955.29/664,159.95 - Step 6: Final answer
x = 286,075.73
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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.