Finding the Fourth Proportional to 575,753.76, 863,423.28 and 243,355.68
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Solution
The fourth proportional to 575,753.76, 863,423.28 and 243,355.68 is: 364,945.87
Step by Step Solution
- Step 1: Write the proportion equation
575,753.76 : 863,423.28 = 243,355.68 : x - Step 2: Convert to fraction form
575,753.76/863,423.28 = 243,355.68/x - Step 3: Cross multiply
575,753.76x = 863,423.28 × 243,355.68 - Step 4: Simplify right side
575,753.76x = 210,118,959,432.23 - Step 5: Solve for x
x = 210,118,959,432.23/575,753.76 - Step 6: Final answer
x = 364,945.87
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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.