Finding the Fourth Proportional to 351,150.92, 484,503.99 and 213,327.09
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Solution
The fourth proportional to 351,150.92, 484,503.99 and 213,327.09 is: 294,340.18
Step by Step Solution
- Step 1: Write the proportion equation
351,150.92 : 484,503.99 = 213,327.09 : x - Step 2: Convert to fraction form
351,150.92/484,503.99 = 213,327.09/x - Step 3: Cross multiply
351,150.92x = 484,503.99 × 213,327.09 - Step 4: Simplify right side
351,150.92x = 103,357,826,280.09 - Step 5: Solve for x
x = 103,357,826,280.09/351,150.92 - Step 6: Final answer
x = 294,340.18
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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.