Finding the Fourth Proportional to 365,319.84, 548,024.04 and 128,614.08
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Solution
The fourth proportional to 365,319.84, 548,024.04 and 128,614.08 is: 192,936.71
Step by Step Solution
- Step 1: Write the proportion equation
365,319.84 : 548,024.04 = 128,614.08 : x - Step 2: Convert to fraction form
365,319.84/548,024.04 = 128,614.08/x - Step 3: Cross multiply
365,319.84x = 548,024.04 × 128,614.08 - Step 4: Simplify right side
365,319.84x = 70,483,607,722.48 - Step 5: Solve for x
x = 70,483,607,722.48/365,319.84 - Step 6: Final answer
x = 192,936.71
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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.