Finding the Fourth Proportional to 342,947.79, 473,292.87 and 207,014.79
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Solution
The fourth proportional to 342,947.79, 473,292.87 and 207,014.79 is: 285,695.45
Step by Step Solution
- Step 1: Write the proportion equation
342,947.79 : 473,292.87 = 207,014.79 : x - Step 2: Convert to fraction form
342,947.79/473,292.87 = 207,014.79/x - Step 3: Cross multiply
342,947.79x = 473,292.87 × 207,014.79 - Step 4: Simplify right side
342,947.79x = 97,978,624,091.55 - Step 5: Solve for x
x = 97,978,624,091.55/342,947.79 - Step 6: Final answer
x = 285,695.45
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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.