Finding the Fourth Proportional to 483,613.68, 725,419.58 and 128,628.06
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Solution
The fourth proportional to 483,613.68, 725,419.58 and 128,628.06 is: 192,941.84
Step by Step Solution
- Step 1: Write the proportion equation
483,613.68 : 725,419.58 = 128,628.06 : x - Step 2: Convert to fraction form
483,613.68/725,419.58 = 128,628.06/x - Step 3: Cross multiply
483,613.68x = 725,419.58 × 128,628.06 - Step 4: Simplify right side
483,613.68x = 93,309,313,261.41 - Step 5: Solve for x
x = 93,309,313,261.41/483,613.68 - Step 6: Final answer
x = 192,941.84
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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.