Finding the Fourth Proportional to 647,637.60, 971,164.80 and 292,468.80
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Solution
The fourth proportional to 647,637.60, 971,164.80 and 292,468.80 is: 438,571.52
Step by Step Solution
- Step 1: Write the proportion equation
647,637.60 : 971,164.80 = 292,468.80 : x - Step 2: Convert to fraction form
647,637.60/971,164.80 = 292,468.80/x - Step 3: Cross multiply
647,637.60x = 971,164.80 × 292,468.80 - Step 4: Simplify right side
647,637.60x = 284,035,403,658.24 - Step 5: Solve for x
x = 284,035,403,658.24/647,637.60 - Step 6: Final answer
x = 438,571.52
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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.