Finding the Fourth Proportional to 354,001.10, 530,224.05 and 213,514.70
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Solution
The fourth proportional to 354,001.10, 530,224.05 and 213,514.70 is: 319,803.04
Step by Step Solution
- Step 1: Write the proportion equation
354,001.10 : 530,224.05 = 213,514.70 : x - Step 2: Convert to fraction form
354,001.10/530,224.05 = 213,514.70/x - Step 3: Cross multiply
354,001.10x = 530,224.05 × 213,514.70 - Step 4: Simplify right side
354,001.10x = 113,210,628,968.54 - Step 5: Solve for x
x = 113,210,628,968.54/354,001.10 - Step 6: Final answer
x = 319,803.04
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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.