Finding the Fourth Proportional to 203,156.24, 280,402.27 and 135,176.08
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Solution
The fourth proportional to 203,156.24, 280,402.27 and 135,176.08 is: 186,574.04
Step by Step Solution
- Step 1: Write the proportion equation
203,156.24 : 280,402.27 = 135,176.08 : x - Step 2: Convert to fraction form
203,156.24/280,402.27 = 135,176.08/x - Step 3: Cross multiply
203,156.24x = 280,402.27 × 135,176.08 - Step 4: Simplify right side
203,156.24x = 37,903,679,681.70 - Step 5: Solve for x
x = 37,903,679,681.70/203,156.24 - Step 6: Final answer
x = 186,574.04
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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.