Finding the Fourth Proportional to 165,718.17, 228,690.99 and 90,266.67
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Solution
The fourth proportional to 165,718.17, 228,690.99 and 90,266.67 is: 124,567.96
Step by Step Solution
- Step 1: Write the proportion equation
165,718.17 : 228,690.99 = 90,266.67 : x - Step 2: Convert to fraction form
165,718.17/228,690.99 = 90,266.67/x - Step 3: Cross multiply
165,718.17x = 228,690.99 × 90,266.67 - Step 4: Simplify right side
165,718.17x = 20,643,174,126.30 - Step 5: Solve for x
x = 20,643,174,126.30/165,718.17 - Step 6: Final answer
x = 124,567.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.