Finding the Fourth Proportional to 436,456.81, 602,587.10 and 298,865.96
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Solution
The fourth proportional to 436,456.81, 602,587.10 and 298,865.96 is: 412,624.50
Step by Step Solution
- Step 1: Write the proportion equation
436,456.81 : 602,587.10 = 298,865.96 : x - Step 2: Convert to fraction form
436,456.81/602,587.10 = 298,865.96/x - Step 3: Cross multiply
436,456.81x = 602,587.10 × 298,865.96 - Step 4: Simplify right side
436,456.81x = 180,092,772,132.70 - Step 5: Solve for x
x = 180,092,772,132.70/436,456.81 - Step 6: Final answer
x = 412,624.50
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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.