Finding the Fourth Proportional to 472,599.74, 708,686.34 and 135,563.90
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Solution
The fourth proportional to 472,599.74, 708,686.34 and 135,563.90 is: 203,284.67
Step by Step Solution
- Step 1: Write the proportion equation
472,599.74 : 708,686.34 = 135,563.90 : x - Step 2: Convert to fraction form
472,599.74/708,686.34 = 135,563.90/x - Step 3: Cross multiply
472,599.74x = 708,686.34 × 135,563.90 - Step 4: Simplify right side
472,599.74x = 96,072,284,127.13 - Step 5: Solve for x
x = 96,072,284,127.13/472,599.74 - Step 6: Final answer
x = 203,284.67
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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.