Finding the Fourth Proportional to 642,550.70, 963,534.45 and 243,058.70
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Solution
The fourth proportional to 642,550.70, 963,534.45 and 243,058.70 is: 364,477.75
Step by Step Solution
- Step 1: Write the proportion equation
642,550.70 : 963,534.45 = 243,058.70 : x - Step 2: Convert to fraction form
642,550.70/963,534.45 = 243,058.70/x - Step 3: Cross multiply
642,550.70x = 963,534.45 × 243,058.70 - Step 4: Simplify right side
642,550.70x = 234,195,430,822.22 - Step 5: Solve for x
x = 234,195,430,822.22/642,550.70 - Step 6: Final answer
x = 364,477.75
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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.