Finding the Fourth Proportional to 403,430.20, 604,223.70 and 237,542.20
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Solution
The fourth proportional to 403,430.20, 604,223.70 and 237,542.20 is: 355,770.66
Step by Step Solution
- Step 1: Write the proportion equation
403,430.20 : 604,223.70 = 237,542.20 : x - Step 2: Convert to fraction form
403,430.20/604,223.70 = 237,542.20/x - Step 3: Cross multiply
403,430.20x = 604,223.70 × 237,542.20 - Step 4: Simplify right side
403,430.20x = 143,528,626,990.14 - Step 5: Solve for x
x = 143,528,626,990.14/403,430.20 - Step 6: Final answer
x = 355,770.66
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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.