Finding the Fourth Proportional to 423,289.68, 584,146.80 and 232,320.88
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Solution
The fourth proportional to 423,289.68, 584,146.80 and 232,320.88 is: 320,606.68
Step by Step Solution
- Step 1: Write the proportion equation
423,289.68 : 584,146.80 = 232,320.88 : x - Step 2: Convert to fraction form
423,289.68/584,146.80 = 232,320.88/x - Step 3: Cross multiply
423,289.68x = 584,146.80 × 232,320.88 - Step 4: Simplify right side
423,289.68x = 135,709,498,625.18 - Step 5: Solve for x
x = 135,709,498,625.18/423,289.68 - Step 6: Final answer
x = 320,606.68
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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.