Finding the Fourth Proportional to 165,398.68, 248,130.80 and 47,074.68
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Solution
The fourth proportional to 165,398.68, 248,130.80 and 47,074.68 is: 70,621.35
Step by Step Solution
- Step 1: Write the proportion equation
165,398.68 : 248,130.80 = 47,074.68 : x - Step 2: Convert to fraction form
165,398.68/248,130.80 = 47,074.68/x - Step 3: Cross multiply
165,398.68x = 248,130.80 × 47,074.68 - Step 4: Simplify right side
165,398.68x = 11,680,678,008.14 - Step 5: Solve for x
x = 11,680,678,008.14/165,398.68 - Step 6: Final answer
x = 70,621.35
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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.