Finding the Fourth Proportional to 753,210.02, 1,129,668.96 and 213,461.66
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Solution
The fourth proportional to 753,210.02, 1,129,668.96 and 213,461.66 is: 320,151.09
Step by Step Solution
- Step 1: Write the proportion equation
753,210.02 : 1,129,668.96 = 213,461.66 : x - Step 2: Convert to fraction form
753,210.02/1,129,668.96 = 213,461.66/x - Step 3: Cross multiply
753,210.02x = 1,129,668.96 × 213,461.66 - Step 4: Simplify right side
753,210.02x = 241,141,011,452.07 - Step 5: Solve for x
x = 241,141,011,452.07/753,210.02 - Step 6: Final answer
x = 320,151.09
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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.