Finding the Fourth Proportional to 357,508.56, 493,241.76 and 202,438.74
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Solution
The fourth proportional to 357,508.56, 493,241.76 and 202,438.74 is: 279,297.48
Step by Step Solution
- Step 1: Write the proportion equation
357,508.56 : 493,241.76 = 202,438.74 : x - Step 2: Convert to fraction form
357,508.56/493,241.76 = 202,438.74/x - Step 3: Cross multiply
357,508.56x = 493,241.76 × 202,438.74 - Step 4: Simplify right side
357,508.56x = 99,851,240,409.78 - Step 5: Solve for x
x = 99,851,240,409.78/357,508.56 - Step 6: Final answer
x = 279,297.48
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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.