Finding the Fourth Proportional to 432,101.70, 648,152.55 and 327,125.70
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Solution
The fourth proportional to 432,101.70, 648,152.55 and 327,125.70 is: 490,688.55
Step by Step Solution
- Step 1: Write the proportion equation
432,101.70 : 648,152.55 = 327,125.70 : x - Step 2: Convert to fraction form
432,101.70/648,152.55 = 327,125.70/x - Step 3: Cross multiply
432,101.70x = 648,152.55 × 327,125.70 - Step 4: Simplify right side
432,101.70x = 212,027,356,625.54 - Step 5: Solve for x
x = 212,027,356,625.54/432,101.70 - Step 6: Final answer
x = 490,688.55
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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.