Finding the Fourth Proportional to 316,708.79, 437,058.18 and 173,473.95
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Solution
The fourth proportional to 316,708.79, 437,058.18 and 173,473.95 is: 239,394.08
Step by Step Solution
- Step 1: Write the proportion equation
316,708.79 : 437,058.18 = 173,473.95 : x - Step 2: Convert to fraction form
316,708.79/437,058.18 = 173,473.95/x - Step 3: Cross multiply
316,708.79x = 437,058.18 × 173,473.95 - Step 4: Simplify right side
316,708.79x = 75,818,208,864.41 - Step 5: Solve for x
x = 75,818,208,864.41/316,708.79 - Step 6: Final answer
x = 239,394.08
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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.