Finding the Fourth Proportional to 432,901.70, 649,352.55 and 196,705.70
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Solution
The fourth proportional to 432,901.70, 649,352.55 and 196,705.70 is: 295,058.55
Step by Step Solution
- Step 1: Write the proportion equation
432,901.70 : 649,352.55 = 196,705.70 : x - Step 2: Convert to fraction form
432,901.70/649,352.55 = 196,705.70/x - Step 3: Cross multiply
432,901.70x = 649,352.55 × 196,705.70 - Step 4: Simplify right side
432,901.70x = 127,731,347,894.54 - Step 5: Solve for x
x = 127,731,347,894.54/432,901.70 - Step 6: Final answer
x = 295,058.55
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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.