Finding the Fourth Proportional to 647,746.47, 971,744.24 and 248,356.09
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Solution
The fourth proportional to 647,746.47, 971,744.24 and 248,356.09 is: 372,581.89
Step by Step Solution
- Step 1: Write the proportion equation
647,746.47 : 971,744.24 = 248,356.09 : x - Step 2: Convert to fraction form
647,746.47/971,744.24 = 248,356.09/x - Step 3: Cross multiply
647,746.47x = 971,744.24 × 248,356.09 - Step 4: Simplify right side
647,746.47x = 241,338,603,811.76 - Step 5: Solve for x
x = 241,338,603,811.76/647,746.47 - Step 6: Final answer
x = 372,581.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.