Finding the Fourth Proportional to 483,502.13, 725,252.40 and 128,516.15
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Solution
The fourth proportional to 483,502.13, 725,252.40 and 128,516.15 is: 192,774.02
Step by Step Solution
- Step 1: Write the proportion equation
483,502.13 : 725,252.40 = 128,516.15 : x - Step 2: Convert to fraction form
483,502.13/725,252.40 = 128,516.15/x - Step 3: Cross multiply
483,502.13x = 725,252.40 × 128,516.15 - Step 4: Simplify right side
483,502.13x = 93,206,648,039.39 - Step 5: Solve for x
x = 93,206,648,039.39/483,502.13 - Step 6: Final answer
x = 192,774.02
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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.