Finding the Fourth Proportional to 153,179.05, 211,152.81 and 107,733.19
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Solution
The fourth proportional to 153,179.05, 211,152.81 and 107,733.19 is: 148,507.03
Step by Step Solution
- Step 1: Write the proportion equation
153,179.05 : 211,152.81 = 107,733.19 : x - Step 2: Convert to fraction form
153,179.05/211,152.81 = 107,733.19/x - Step 3: Cross multiply
153,179.05x = 211,152.81 × 107,733.19 - Step 4: Simplify right side
153,179.05x = 22,748,165,798.76 - Step 5: Solve for x
x = 22,748,165,798.76/153,179.05 - Step 6: Final answer
x = 148,507.03
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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.