Finding the Fourth Proportional to 418,332.26, 577,303.02 and 227,345.70
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Solution
The fourth proportional to 418,332.26, 577,303.02 and 227,345.70 is: 313,739.51
Step by Step Solution
- Step 1: Write the proportion equation
418,332.26 : 577,303.02 = 227,345.70 : x - Step 2: Convert to fraction form
418,332.26/577,303.02 = 227,345.70/x - Step 3: Cross multiply
418,332.26x = 577,303.02 × 227,345.70 - Step 4: Simplify right side
418,332.26x = 131,247,359,194.01 - Step 5: Solve for x
x = 131,247,359,194.01/418,332.26 - Step 6: Final answer
x = 313,739.51
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.