Finding the Fourth Proportional to 408,927.96, 613,356.71 and 248,962.49
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Solution
The fourth proportional to 408,927.96, 613,356.71 and 248,962.49 is: 373,422.28
Step by Step Solution
- Step 1: Write the proportion equation
408,927.96 : 613,356.71 = 248,962.49 : x - Step 2: Convert to fraction form
408,927.96/613,356.71 = 248,962.49/x - Step 3: Cross multiply
408,927.96x = 613,356.71 × 248,962.49 - Step 4: Simplify right side
408,927.96x = 152,702,809,468.21 - Step 5: Solve for x
x = 152,702,809,468.21/408,927.96 - Step 6: Final answer
x = 373,422.28
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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.