Finding the Fourth Proportional to 423,465.13, 584,343.05 and 251,353.70
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Solution
The fourth proportional to 423,465.13, 584,343.05 and 251,353.70 is: 346,845.05
Step by Step Solution
- Step 1: Write the proportion equation
423,465.13 : 584,343.05 = 251,353.70 : x - Step 2: Convert to fraction form
423,465.13/584,343.05 = 251,353.70/x - Step 3: Cross multiply
423,465.13x = 584,343.05 × 251,353.70 - Step 4: Simplify right side
423,465.13x = 146,876,785,699.59 - Step 5: Solve for x
x = 146,876,785,699.59/423,465.13 - Step 6: Final answer
x = 346,845.05
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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.