Finding the Fourth Proportional to 370,303.79, 511,008.75 and 219,400.79
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Solution
The fourth proportional to 370,303.79, 511,008.75 and 219,400.79 is: 302,766.88
Step by Step Solution
- Step 1: Write the proportion equation
370,303.79 : 511,008.75 = 219,400.79 : x - Step 2: Convert to fraction form
370,303.79/511,008.75 = 219,400.79/x - Step 3: Cross multiply
370,303.79x = 511,008.75 × 219,400.79 - Step 4: Simplify right side
370,303.79x = 112,115,720,891.87 - Step 5: Solve for x
x = 112,115,720,891.87/370,303.79 - Step 6: Final answer
x = 302,766.88
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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.