Finding the Fourth Proportional to 375,876.24, 563,803.44 and 139,213.68
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Solution
The fourth proportional to 375,876.24, 563,803.44 and 139,213.68 is: 208,816.48
Step by Step Solution
- Step 1: Write the proportion equation
375,876.24 : 563,803.44 = 139,213.68 : x - Step 2: Convert to fraction form
375,876.24/563,803.44 = 139,213.68/x - Step 3: Cross multiply
375,876.24x = 563,803.44 × 139,213.68 - Step 4: Simplify right side
375,876.24x = 78,489,151,679.06 - Step 5: Solve for x
x = 78,489,151,679.06/375,876.24 - Step 6: Final answer
x = 208,816.48
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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.