Finding the Fourth Proportional to 301,455.23, 415,981.95 and 165,488.99
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Solution
The fourth proportional to 301,455.23, 415,981.95 and 165,488.99 is: 228,360.38
Step by Step Solution
- Step 1: Write the proportion equation
301,455.23 : 415,981.95 = 165,488.99 : x - Step 2: Convert to fraction form
301,455.23/415,981.95 = 165,488.99/x - Step 3: Cross multiply
301,455.23x = 415,981.95 × 165,488.99 - Step 4: Simplify right side
301,455.23x = 68,840,430,683.82 - Step 5: Solve for x
x = 68,840,430,683.82/301,455.23 - Step 6: Final answer
x = 228,360.38
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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.