Finding the Fourth Proportional to 401,587.07, 602,382.68 and 135,349.90
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Solution
The fourth proportional to 401,587.07, 602,382.68 and 135,349.90 is: 203,025.55
Step by Step Solution
- Step 1: Write the proportion equation
401,587.07 : 602,382.68 = 135,349.90 : x - Step 2: Convert to fraction form
401,587.07/602,382.68 = 135,349.90/x - Step 3: Cross multiply
401,587.07x = 602,382.68 × 135,349.90 - Step 4: Simplify right side
401,587.07x = 81,532,434,332.15 - Step 5: Solve for x
x = 81,532,434,332.15/401,587.07 - Step 6: Final answer
x = 203,025.55
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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.