Finding the Fourth Proportional to 423,890.44, 584,975.45 and 230,301.99
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Solution
The fourth proportional to 423,890.44, 584,975.45 and 230,301.99 is: 317,820.35
Step by Step Solution
- Step 1: Write the proportion equation
423,890.44 : 584,975.45 = 230,301.99 : x - Step 2: Convert to fraction form
423,890.44/584,975.45 = 230,301.99/x - Step 3: Cross multiply
423,890.44x = 584,975.45 × 230,301.99 - Step 4: Simplify right side
423,890.44x = 134,721,006,159.76 - Step 5: Solve for x
x = 134,721,006,159.76/423,890.44 - Step 6: Final answer
x = 317,820.35
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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.