Finding the Fourth Proportional to 353,125.40, 529,688.10 and 211,407.80
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Solution
The fourth proportional to 353,125.40, 529,688.10 and 211,407.80 is: 317,111.70
Step by Step Solution
- Step 1: Write the proportion equation
353,125.40 : 529,688.10 = 211,407.80 : x - Step 2: Convert to fraction form
353,125.40/529,688.10 = 211,407.80/x - Step 3: Cross multiply
353,125.40x = 529,688.10 × 211,407.80 - Step 4: Simplify right side
353,125.40x = 111,980,195,907.18 - Step 5: Solve for x
x = 111,980,195,907.18/353,125.40 - Step 6: Final answer
x = 317,111.70
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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.