Finding the Fourth Proportional to 408,129.84, 609,108.48 and 397,501.02
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Solution
The fourth proportional to 408,129.84, 609,108.48 and 397,501.02 is: 593,245.63
Step by Step Solution
- Step 1: Write the proportion equation
408,129.84 : 609,108.48 = 397,501.02 : x - Step 2: Convert to fraction form
408,129.84/609,108.48 = 397,501.02/x - Step 3: Cross multiply
408,129.84x = 609,108.48 × 397,501.02 - Step 4: Simplify right side
408,129.84x = 242,121,242,090.65 - Step 5: Solve for x
x = 242,121,242,090.65/408,129.84 - Step 6: Final answer
x = 593,245.63
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.