Finding the Fourth Proportional to 316,848.80, 437,261.50 and 173,617.96
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Solution
The fourth proportional to 316,848.80, 437,261.50 and 173,617.96 is: 239,598.35
Step by Step Solution
- Step 1: Write the proportion equation
316,848.80 : 437,261.50 = 173,617.96 : x - Step 2: Convert to fraction form
316,848.80/437,261.50 = 173,617.96/x - Step 3: Cross multiply
316,848.80x = 437,261.50 × 173,617.96 - Step 4: Simplify right side
316,848.80x = 75,916,449,616.54 - Step 5: Solve for x
x = 75,916,449,616.54/316,848.80 - Step 6: Final answer
x = 239,598.35
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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.