Finding the Fourth Proportional to 479,444.15, 661,881.70 and 350,237.55
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Solution
The fourth proportional to 479,444.15, 661,881.70 and 350,237.55 is: 483,509.55
Step by Step Solution
- Step 1: Write the proportion equation
479,444.15 : 661,881.70 = 350,237.55 : x - Step 2: Convert to fraction form
479,444.15/661,881.70 = 350,237.55/x - Step 3: Cross multiply
479,444.15x = 661,881.70 × 350,237.55 - Step 4: Simplify right side
479,444.15x = 231,815,825,947.60 - Step 5: Solve for x
x = 231,815,825,947.60/479,444.15 - Step 6: Final answer
x = 483,509.55
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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.