Finding the Fourth Proportional to 482,364.79, 723,313.50 and 145,342.62
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Solution
The fourth proportional to 482,364.79, 723,313.50 and 145,342.62 is: 217,943.52
Step by Step Solution
- Step 1: Write the proportion equation
482,364.79 : 723,313.50 = 145,342.62 : x - Step 2: Convert to fraction form
482,364.79/723,313.50 = 145,342.62/x - Step 3: Cross multiply
482,364.79x = 723,313.50 × 145,342.62 - Step 4: Simplify right side
482,364.79x = 105,128,278,626.34 - Step 5: Solve for x
x = 105,128,278,626.34/482,364.79 - Step 6: Final answer
x = 217,943.52
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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.