Finding the Fourth Proportional to 472,105.79, 708,368.00 and 247,412.79
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Solution
The fourth proportional to 472,105.79, 708,368.00 and 247,412.79 is: 371,228.88
Step by Step Solution
- Step 1: Write the proportion equation
472,105.79 : 708,368.00 = 247,412.79 : x - Step 2: Convert to fraction form
472,105.79/708,368.00 = 247,412.79/x - Step 3: Cross multiply
472,105.79x = 708,368.00 × 247,412.79 - Step 4: Simplify right side
472,105.79x = 175,259,301,989.66 - Step 5: Solve for x
x = 175,259,301,989.66/472,105.79 - Step 6: Final answer
x = 371,228.88
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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.