Finding the Fourth Proportional to 417,365.78, 575,964.79 and 236,073.80
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Solution
The fourth proportional to 417,365.78, 575,964.79 and 236,073.80 is: 325,781.86
Step by Step Solution
- Step 1: Write the proportion equation
417,365.78 : 575,964.79 = 236,073.80 : x - Step 2: Convert to fraction form
417,365.78/575,964.79 = 236,073.80/x - Step 3: Cross multiply
417,365.78x = 575,964.79 × 236,073.80 - Step 4: Simplify right side
417,365.78x = 135,970,197,491.23 - Step 5: Solve for x
x = 135,970,197,491.23/417,365.78 - Step 6: Final answer
x = 325,781.86
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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.