Finding the Fourth Proportional to 165,605.18, 228,564.95 and 97,618.11
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Solution
The fourth proportional to 165,605.18, 228,564.95 and 97,618.11 is: 134,730.56
Step by Step Solution
- Step 1: Write the proportion equation
165,605.18 : 228,564.95 = 97,618.11 : x - Step 2: Convert to fraction form
165,605.18/228,564.95 = 97,618.11/x - Step 3: Cross multiply
165,605.18x = 228,564.95 × 97,618.11 - Step 4: Simplify right side
165,605.18x = 22,312,077,943.15 - Step 5: Solve for x
x = 22,312,077,943.15/165,605.18 - Step 6: Final answer
x = 134,730.56
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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.