Finding the Fourth Proportional to 452,472.92, 624,417.77 and 248,528.63
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Solution
The fourth proportional to 452,472.92, 624,417.77 and 248,528.63 is: 342,972.33
Step by Step Solution
- Step 1: Write the proportion equation
452,472.92 : 624,417.77 = 248,528.63 : x - Step 2: Convert to fraction form
452,472.92/624,417.77 = 248,528.63/x - Step 3: Cross multiply
452,472.92x = 624,417.77 × 248,528.63 - Step 4: Simplify right side
452,472.92x = 155,185,690,424.99 - Step 5: Solve for x
x = 155,185,690,424.99/452,472.92 - Step 6: Final answer
x = 342,972.33
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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.