Finding the Fourth Proportional to 243,723.48, 336,225.07 and 157,710.26
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Solution
The fourth proportional to 243,723.48, 336,225.07 and 157,710.26 is: 217,566.82
Step by Step Solution
- Step 1: Write the proportion equation
243,723.48 : 336,225.07 = 157,710.26 : x - Step 2: Convert to fraction form
243,723.48/336,225.07 = 157,710.26/x - Step 3: Cross multiply
243,723.48x = 336,225.07 × 157,710.26 - Step 4: Simplify right side
243,723.48x = 53,026,142,419.67 - Step 5: Solve for x
x = 53,026,142,419.67/243,723.48 - Step 6: Final answer
x = 217,566.82
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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.