Finding the Fourth Proportional to 438,246.07, 604,767.30 and 247,277.23
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Solution
The fourth proportional to 438,246.07, 604,767.30 and 247,277.23 is: 341,235.65
Step by Step Solution
- Step 1: Write the proportion equation
438,246.07 : 604,767.30 = 247,277.23 : x - Step 2: Convert to fraction form
438,246.07/604,767.30 = 247,277.23/x - Step 3: Cross multiply
438,246.07x = 604,767.30 × 247,277.23 - Step 4: Simplify right side
438,246.07x = 149,545,182,738.58 - Step 5: Solve for x
x = 149,545,182,738.58/438,246.07 - Step 6: Final answer
x = 341,235.65
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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.