Finding the Fourth Proportional to 316,478.20, 474,389.24 and 197,877.19
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Solution
The fourth proportional to 316,478.20, 474,389.24 and 197,877.19 is: 296,610.66
Step by Step Solution
- Step 1: Write the proportion equation
316,478.20 : 474,389.24 = 197,877.19 : x - Step 2: Convert to fraction form
316,478.20/474,389.24 = 197,877.19/x - Step 3: Cross multiply
316,478.20x = 474,389.24 × 197,877.19 - Step 4: Simplify right side
316,478.20x = 93,870,808,096.77 - Step 5: Solve for x
x = 93,870,808,096.77/316,478.20 - Step 6: Final answer
x = 296,610.66
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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.