Finding the Fourth Proportional to 377,018.16, 520,292.16 and 207,252.24
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Solution
The fourth proportional to 377,018.16, 520,292.16 and 207,252.24 is: 286,011.99
Step by Step Solution
- Step 1: Write the proportion equation
377,018.16 : 520,292.16 = 207,252.24 : x - Step 2: Convert to fraction form
377,018.16/520,292.16 = 207,252.24/x - Step 3: Cross multiply
377,018.16x = 520,292.16 × 207,252.24 - Step 4: Simplify right side
377,018.16x = 107,831,715,614.44 - Step 5: Solve for x
x = 107,831,715,614.44/377,018.16 - Step 6: Final answer
x = 286,011.99
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1.5x scale
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.