Finding the Fourth Proportional to 452,256.79, 624,115.62 and 248,320.92
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Solution
The fourth proportional to 452,256.79, 624,115.62 and 248,320.92 is: 342,683.56
Step by Step Solution
- Step 1: Write the proportion equation
452,256.79 : 624,115.62 = 248,320.92 : x - Step 2: Convert to fraction form
452,256.79/624,115.62 = 248,320.92/x - Step 3: Cross multiply
452,256.79x = 624,115.62 × 248,320.92 - Step 4: Simplify right side
452,256.79x = 154,980,966,354.00 - Step 5: Solve for x
x = 154,980,966,354.00/452,256.79 - Step 6: Final answer
x = 342,683.56
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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.