Finding the Fourth Proportional to 434,211.18, 599,204.43 and 243,223.98
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Solution
The fourth proportional to 434,211.18, 599,204.43 and 243,223.98 is: 335,645.17
Step by Step Solution
- Step 1: Write the proportion equation
434,211.18 : 599,204.43 = 243,223.98 : x - Step 2: Convert to fraction form
434,211.18/599,204.43 = 243,223.98/x - Step 3: Cross multiply
434,211.18x = 599,204.43 × 243,223.98 - Step 4: Simplify right side
434,211.18x = 145,740,886,298.23 - Step 5: Solve for x
x = 145,740,886,298.23/434,211.18 - Step 6: Final answer
x = 335,645.17
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1.5x scale
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.