Finding the Fourth Proportional to 318,228.96, 439,167.36 and 175,000.08
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Solution
The fourth proportional to 318,228.96, 439,167.36 and 175,000.08 is: 241,506.38
Step by Step Solution
- Step 1: Write the proportion equation
318,228.96 : 439,167.36 = 175,000.08 : x - Step 2: Convert to fraction form
318,228.96/439,167.36 = 175,000.08/x - Step 3: Cross multiply
318,228.96x = 439,167.36 × 175,000.08 - Step 4: Simplify right side
318,228.96x = 76,854,323,133.39 - Step 5: Solve for x
x = 76,854,323,133.39/318,228.96 - Step 6: Final answer
x = 241,506.38
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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.