Finding the Fourth Proportional to 175,089.95, 262,716.93 and 86,295.05
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Solution
The fourth proportional to 175,089.95, 262,716.93 and 86,295.05 is: 129,482.99
Step by Step Solution
- Step 1: Write the proportion equation
175,089.95 : 262,716.93 = 86,295.05 : x - Step 2: Convert to fraction form
175,089.95/262,716.93 = 86,295.05/x - Step 3: Cross multiply
175,089.95x = 262,716.93 × 86,295.05 - Step 4: Simplify right side
175,089.95x = 22,671,169,296.61 - Step 5: Solve for x
x = 22,671,169,296.61/175,089.95 - Step 6: Final answer
x = 129,482.99
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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.