Finding the Fourth Proportional to 319,727.52, 441,235.08 and 176,492.88
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Solution
The fourth proportional to 319,727.52, 441,235.08 and 176,492.88 is: 243,566.30
Step by Step Solution
- Step 1: Write the proportion equation
319,727.52 : 441,235.08 = 176,492.88 : x - Step 2: Convert to fraction form
319,727.52/441,235.08 = 176,492.88/x - Step 3: Cross multiply
319,727.52x = 441,235.08 × 176,492.88 - Step 4: Simplify right side
319,727.52x = 77,874,850,026.23 - Step 5: Solve for x
x = 77,874,850,026.23/319,727.52 - Step 6: Final answer
x = 243,566.30
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1.5x scale
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.