Finding the Fourth Proportional to 439,533.12, 606,552.48 and 238,327.68
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Solution
The fourth proportional to 439,533.12, 606,552.48 and 238,327.68 is: 328,890.45
Step by Step Solution
- Step 1: Write the proportion equation
439,533.12 : 606,552.48 = 238,327.68 : x - Step 2: Convert to fraction form
439,533.12/606,552.48 = 238,327.68/x - Step 3: Cross multiply
439,533.12x = 606,552.48 × 238,327.68 - Step 4: Simplify right side
439,533.12x = 144,558,245,356.65 - Step 5: Solve for x
x = 144,558,245,356.65/439,533.12 - Step 6: Final answer
x = 328,890.45
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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.