Finding the Fourth Proportional to 437,439.74, 603,666.86 and 236,235.74
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Solution
The fourth proportional to 437,439.74, 603,666.86 and 236,235.74 is: 326,005.33
Step by Step Solution
- Step 1: Write the proportion equation
437,439.74 : 603,666.86 = 236,235.74 : x - Step 2: Convert to fraction form
437,439.74/603,666.86 = 236,235.74/x - Step 3: Cross multiply
437,439.74x = 603,666.86 × 236,235.74 - Step 4: Simplify right side
437,439.74x = 142,607,684,367.24 - Step 5: Solve for x
x = 142,607,684,367.24/437,439.74 - Step 6: Final answer
x = 326,005.33
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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.