Finding the Fourth Proportional to 292,215.57, 403,253.55 and 163,156.03
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Solution
The fourth proportional to 292,215.57, 403,253.55 and 163,156.03 is: 225,153.12
Step by Step Solution
- Step 1: Write the proportion equation
292,215.57 : 403,253.55 = 163,156.03 : x - Step 2: Convert to fraction form
292,215.57/403,253.55 = 163,156.03/x - Step 3: Cross multiply
292,215.57x = 403,253.55 × 163,156.03 - Step 4: Simplify right side
292,215.57x = 65,793,248,991.24 - Step 5: Solve for x
x = 65,793,248,991.24/292,215.57 - Step 6: Final answer
x = 225,153.12
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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.