Finding the Fourth Proportional to 342,430.70, 513,646.05 and 202,117.10
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Solution
The fourth proportional to 342,430.70, 513,646.05 and 202,117.10 is: 303,175.65
Step by Step Solution
- Step 1: Write the proportion equation
342,430.70 : 513,646.05 = 202,117.10 : x - Step 2: Convert to fraction form
342,430.70/513,646.05 = 202,117.10/x - Step 3: Cross multiply
342,430.70x = 513,646.05 × 202,117.10 - Step 4: Simplify right side
342,430.70x = 103,816,650,052.46 - Step 5: Solve for x
x = 103,816,650,052.46/342,430.70 - Step 6: Final answer
x = 303,175.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.