Finding the Fourth Proportional to 409,420.58, 614,130.88 and 159,927.62
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Solution
The fourth proportional to 409,420.58, 614,130.88 and 159,927.62 is: 239,891.43
Step by Step Solution
- Step 1: Write the proportion equation
409,420.58 : 614,130.88 = 159,927.62 : x - Step 2: Convert to fraction form
409,420.58/614,130.88 = 159,927.62/x - Step 3: Cross multiply
409,420.58x = 614,130.88 × 159,927.62 - Step 4: Simplify right side
409,420.58x = 98,216,490,006.91 - Step 5: Solve for x
x = 98,216,490,006.91/409,420.58 - Step 6: Final answer
x = 239,891.43
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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.