Finding the Fourth Proportional to 161,805.14, 242,817.05 and 56,625.02
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Solution
The fourth proportional to 161,805.14, 242,817.05 and 56,625.02 is: 84,975.79
Step by Step Solution
- Step 1: Write the proportion equation
161,805.14 : 242,817.05 = 56,625.02 : x - Step 2: Convert to fraction form
161,805.14/242,817.05 = 56,625.02/x - Step 3: Cross multiply
161,805.14x = 242,817.05 × 56,625.02 - Step 4: Simplify right side
161,805.14x = 13,749,520,312.59 - Step 5: Solve for x
x = 13,749,520,312.59/161,805.14 - Step 6: Final answer
x = 84,975.79
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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.