Finding the Fourth Proportional to 316,724.08, 437,063.64 and 173,484.76
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Solution
The fourth proportional to 316,724.08, 437,063.64 and 173,484.76 is: 239,400.43
Step by Step Solution
- Step 1: Write the proportion equation
316,724.08 : 437,063.64 = 173,484.76 : x - Step 2: Convert to fraction form
316,724.08/437,063.64 = 173,484.76/x - Step 3: Cross multiply
316,724.08x = 437,063.64 × 173,484.76 - Step 4: Simplify right side
316,724.08x = 75,823,880,690.13 - Step 5: Solve for x
x = 75,823,880,690.13/316,724.08 - Step 6: Final answer
x = 239,400.43
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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.