Finding the Fourth Proportional to 291,337.16, 402,044.45 and 164,012.99
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Solution
The fourth proportional to 291,337.16, 402,044.45 and 164,012.99 is: 226,337.45
Step by Step Solution
- Step 1: Write the proportion equation
291,337.16 : 402,044.45 = 164,012.99 : x - Step 2: Convert to fraction form
291,337.16/402,044.45 = 164,012.99/x - Step 3: Cross multiply
291,337.16x = 402,044.45 × 164,012.99 - Step 4: Simplify right side
291,337.16x = 65,940,509,527.12 - Step 5: Solve for x
x = 65,940,509,527.12/291,337.16 - Step 6: Final answer
x = 226,337.45
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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.