Finding the Fourth Proportional to 307,574.74, 461,359.23 and 97,212.70
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Solution
The fourth proportional to 307,574.74, 461,359.23 and 97,212.70 is: 145,818.14
Step by Step Solution
- Step 1: Write the proportion equation
307,574.74 : 461,359.23 = 97,212.70 : x - Step 2: Convert to fraction form
307,574.74/461,359.23 = 97,212.70/x - Step 3: Cross multiply
307,574.74x = 461,359.23 × 97,212.70 - Step 4: Simplify right side
307,574.74x = 44,849,976,418.22 - Step 5: Solve for x
x = 44,849,976,418.22/307,574.74 - Step 6: Final answer
x = 145,818.14
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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.