Finding the Fourth Proportional to 382,308.08, 527,598.60 and 210,239.12
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Solution
The fourth proportional to 382,308.08, 527,598.60 and 210,239.12 is: 290,137.38
Step by Step Solution
- Step 1: Write the proportion equation
382,308.08 : 527,598.60 = 210,239.12 : x - Step 2: Convert to fraction form
382,308.08/527,598.60 = 210,239.12/x - Step 3: Cross multiply
382,308.08x = 527,598.60 × 210,239.12 - Step 4: Simplify right side
382,308.08x = 110,921,865,377.23 - Step 5: Solve for x
x = 110,921,865,377.23/382,308.08 - Step 6: Final answer
x = 290,137.38
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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.