Finding the Fourth Proportional to 418,224.80, 577,106.84 and 246,132.47
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Solution
The fourth proportional to 418,224.80, 577,106.84 and 246,132.47 is: 339,637.28
Step by Step Solution
- Step 1: Write the proportion equation
418,224.80 : 577,106.84 = 246,132.47 : x - Step 2: Convert to fraction form
418,224.80/577,106.84 = 246,132.47/x - Step 3: Cross multiply
418,224.80x = 577,106.84 × 246,132.47 - Step 4: Simplify right side
418,224.80x = 142,044,734,041.19 - Step 5: Solve for x
x = 142,044,734,041.19/418,224.80 - Step 6: Final answer
x = 339,637.28
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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.