Finding the Fourth Proportional to 316,308.30, 473,886.45 and 149,729.10
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Solution
The fourth proportional to 316,308.30, 473,886.45 and 149,729.10 is: 224,320.99
Step by Step Solution
- Step 1: Write the proportion equation
316,308.30 : 473,886.45 = 149,729.10 : x - Step 2: Convert to fraction form
316,308.30/473,886.45 = 149,729.10/x - Step 3: Cross multiply
316,308.30x = 473,886.45 × 149,729.10 - Step 4: Simplify right side
316,308.30x = 70,954,591,660.70 - Step 5: Solve for x
x = 70,954,591,660.70/316,308.30 - Step 6: Final answer
x = 224,320.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.