Finding the Fourth Proportional to 438,246.32, 604,779.48 and 237,041.84
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Solution
The fourth proportional to 438,246.32, 604,779.48 and 237,041.84 is: 327,117.50
Step by Step Solution
- Step 1: Write the proportion equation
438,246.32 : 604,779.48 = 237,041.84 : x - Step 2: Convert to fraction form
438,246.32/604,779.48 = 237,041.84/x - Step 3: Cross multiply
438,246.32x = 604,779.48 × 237,041.84 - Step 4: Simplify right side
438,246.32x = 143,358,040,733.44 - Step 5: Solve for x
x = 143,358,040,733.44/438,246.32 - Step 6: Final answer
x = 327,117.50
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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.