Finding the Fourth Proportional to 312,056.66, 430,637.24 and 168,816.67
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Solution
The fourth proportional to 312,056.66, 430,637.24 and 168,816.67 is: 232,966.49
Step by Step Solution
- Step 1: Write the proportion equation
312,056.66 : 430,637.24 = 168,816.67 : x - Step 2: Convert to fraction form
312,056.66/430,637.24 = 168,816.67/x - Step 3: Cross multiply
312,056.66x = 430,637.24 × 168,816.67 - Step 4: Simplify right side
312,056.66x = 72,698,744,180.24 - Step 5: Solve for x
x = 72,698,744,180.24/312,056.66 - Step 6: Final answer
x = 232,966.49
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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.