Finding the Fourth Proportional to 511,657.49, 767,565.12 and 174,619.28
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Solution
The fourth proportional to 511,657.49, 767,565.12 and 174,619.28 is: 261,955.84
Step by Step Solution
- Step 1: Write the proportion equation
511,657.49 : 767,565.12 = 174,619.28 : x - Step 2: Convert to fraction form
511,657.49/767,565.12 = 174,619.28/x - Step 3: Cross multiply
511,657.49x = 767,565.12 × 174,619.28 - Step 4: Simplify right side
511,657.49x = 134,031,668,607.51 - Step 5: Solve for x
x = 134,031,668,607.51/511,657.49 - Step 6: Final answer
x = 261,955.84
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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.