Finding the Fourth Proportional to 394,513.62, 544,275.81 and 251,248.02
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Solution
The fourth proportional to 394,513.62, 544,275.81 and 251,248.02 is: 346,624.84
Step by Step Solution
- Step 1: Write the proportion equation
394,513.62 : 544,275.81 = 251,248.02 : x - Step 2: Convert to fraction form
394,513.62/544,275.81 = 251,248.02/x - Step 3: Cross multiply
394,513.62x = 544,275.81 × 251,248.02 - Step 4: Simplify right side
394,513.62x = 136,748,219,596.40 - Step 5: Solve for x
x = 136,748,219,596.40/394,513.62 - Step 6: Final answer
x = 346,624.84
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1.5x scale
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.