Finding the Fourth Proportional to 556,825.08, 768,419.12 and 302,176.28
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Solution
The fourth proportional to 556,825.08, 768,419.12 and 302,176.28 is: 417,003.54
Step by Step Solution
- Step 1: Write the proportion equation
556,825.08 : 768,419.12 = 302,176.28 : x - Step 2: Convert to fraction form
556,825.08/768,419.12 = 302,176.28/x - Step 3: Cross multiply
556,825.08x = 768,419.12 × 302,176.28 - Step 4: Simplify right side
556,825.08x = 232,198,031,162.47 - Step 5: Solve for x
x = 232,198,031,162.47/556,825.08 - Step 6: Final answer
x = 417,003.54
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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.