Finding the Fourth Proportional to 442,430.68, 610,606.18 and 251,472.78
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Solution
The fourth proportional to 442,430.68, 610,606.18 and 251,472.78 is: 347,061.90
Step by Step Solution
- Step 1: Write the proportion equation
442,430.68 : 610,606.18 = 251,472.78 : x - Step 2: Convert to fraction form
442,430.68/610,606.18 = 251,472.78/x - Step 3: Cross multiply
442,430.68x = 610,606.18 × 251,472.78 - Step 4: Simplify right side
442,430.68x = 153,550,833,569.78 - Step 5: Solve for x
x = 153,550,833,569.78/442,430.68 - Step 6: Final answer
x = 347,061.90
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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.