Finding the Fourth Proportional to 234,581.84, 323,909.26 and 216,670.31
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Solution
The fourth proportional to 234,581.84, 323,909.26 and 216,670.31 is: 299,177.12
Step by Step Solution
- Step 1: Write the proportion equation
234,581.84 : 323,909.26 = 216,670.31 : x - Step 2: Convert to fraction form
234,581.84/323,909.26 = 216,670.31/x - Step 3: Cross multiply
234,581.84x = 323,909.26 × 216,670.31 - Step 4: Simplify right side
234,581.84x = 70,181,518,156.52 - Step 5: Solve for x
x = 70,181,518,156.52/234,581.84 - Step 6: Final answer
x = 299,177.12
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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.