Finding the Fourth Proportional to 352,318.68, 528,478.02 and 103,000.68
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Solution
The fourth proportional to 352,318.68, 528,478.02 and 103,000.68 is: 154,501.02
Step by Step Solution
- Step 1: Write the proportion equation
352,318.68 : 528,478.02 = 103,000.68 : x - Step 2: Convert to fraction form
352,318.68/528,478.02 = 103,000.68/x - Step 3: Cross multiply
352,318.68x = 528,478.02 × 103,000.68 - Step 4: Simplify right side
352,318.68x = 54,433,595,425.05 - Step 5: Solve for x
x = 54,433,595,425.05/352,318.68 - Step 6: Final answer
x = 154,501.02
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1.5x scale
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.