Finding the Fourth Proportional to 527,328.24, 727,772.12 and 297,900.31
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Solution
The fourth proportional to 527,328.24, 727,772.12 and 297,900.31 is: 411,135.84
Step by Step Solution
- Step 1: Write the proportion equation
527,328.24 : 727,772.12 = 297,900.31 : x - Step 2: Convert to fraction form
527,328.24/727,772.12 = 297,900.31/x - Step 3: Cross multiply
527,328.24x = 727,772.12 × 297,900.31 - Step 4: Simplify right side
527,328.24x = 216,803,540,157.36 - Step 5: Solve for x
x = 216,803,540,157.36/527,328.24 - Step 6: Final answer
x = 411,135.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.