Finding the Fourth Proportional to 439,322.67, 658,231.65 and 239,783.09
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Solution
The fourth proportional to 439,322.67, 658,231.65 and 239,783.09 is: 359,263.99
Step by Step Solution
- Step 1: Write the proportion equation
439,322.67 : 658,231.65 = 239,783.09 : x - Step 2: Convert to fraction form
439,322.67/658,231.65 = 239,783.09/x - Step 3: Cross multiply
439,322.67x = 658,231.65 × 239,783.09 - Step 4: Simplify right side
439,322.67x = 157,832,815,681.64 - Step 5: Solve for x
x = 157,832,815,681.64/439,322.67 - Step 6: Final answer
x = 359,263.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.