Finding the Fourth Proportional to 396,528.21, 594,854.28 and 130,228.02
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Solution
The fourth proportional to 396,528.21, 594,854.28 and 130,228.02 is: 195,362.38
Step by Step Solution
- Step 1: Write the proportion equation
396,528.21 : 594,854.28 = 130,228.02 : x - Step 2: Convert to fraction form
396,528.21/594,854.28 = 130,228.02/x - Step 3: Cross multiply
396,528.21x = 594,854.28 × 130,228.02 - Step 4: Simplify right side
396,528.21x = 77,466,695,072.93 - Step 5: Solve for x
x = 77,466,695,072.93/396,528.21 - Step 6: Final answer
x = 195,362.38
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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.