Finding the Fourth Proportional to 372,479.92, 514,012.44 and 202,710.40
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Solution
The fourth proportional to 372,479.92, 514,012.44 and 202,710.40 is: 279,734.99
Step by Step Solution
- Step 1: Write the proportion equation
372,479.92 : 514,012.44 = 202,710.40 : x - Step 2: Convert to fraction form
372,479.92/514,012.44 = 202,710.40/x - Step 3: Cross multiply
372,479.92x = 514,012.44 × 202,710.40 - Step 4: Simplify right side
372,479.92x = 104,195,667,317.38 - Step 5: Solve for x
x = 104,195,667,317.38/372,479.92 - Step 6: Final answer
x = 279,734.99
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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.