Finding the Fourth Proportional to 211,332.69, 291,148.97 and 147,569.49
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Solution
The fourth proportional to 211,332.69, 291,148.97 and 147,569.49 is: 203,303.64
Step by Step Solution
- Step 1: Write the proportion equation
211,332.69 : 291,148.97 = 147,569.49 : x - Step 2: Convert to fraction form
211,332.69/291,148.97 = 147,569.49/x - Step 3: Cross multiply
211,332.69x = 291,148.97 × 147,569.49 - Step 4: Simplify right side
211,332.69x = 42,964,704,279.08 - Step 5: Solve for x
x = 42,964,704,279.08/211,332.69 - Step 6: Final answer
x = 203,303.64
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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.