Finding the Fourth Proportional to 623,356.20, 934,688.70 and 268,309.80
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Solution
The fourth proportional to 623,356.20, 934,688.70 and 268,309.80 is: 402,315.94
Step by Step Solution
- Step 1: Write the proportion equation
623,356.20 : 934,688.70 = 268,309.80 : x - Step 2: Convert to fraction form
623,356.20/934,688.70 = 268,309.80/x - Step 3: Cross multiply
623,356.20x = 934,688.70 × 268,309.80 - Step 4: Simplify right side
623,356.20x = 250,786,138,159.26 - Step 5: Solve for x
x = 250,786,138,159.26/623,356.20 - Step 6: Final answer
x = 402,315.94
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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.