Finding the Fourth Proportional to 210,890.96, 316,302.96 and 98,649.08
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Solution
The fourth proportional to 210,890.96, 316,302.96 and 98,649.08 is: 147,957.96
Step by Step Solution
- Step 1: Write the proportion equation
210,890.96 : 316,302.96 = 98,649.08 : x - Step 2: Convert to fraction form
210,890.96/316,302.96 = 98,649.08/x - Step 3: Cross multiply
210,890.96x = 316,302.96 × 98,649.08 - Step 4: Simplify right side
210,890.96x = 31,202,996,005.28 - Step 5: Solve for x
x = 31,202,996,005.28/210,890.96 - Step 6: Final answer
x = 147,957.96
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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.