Finding the Fourth Proportional to 470,655.18, 649,509.18 and 255,795.26
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Solution
The fourth proportional to 470,655.18, 649,509.18 and 255,795.26 is: 353,000.19
Step by Step Solution
- Step 1: Write the proportion equation
470,655.18 : 649,509.18 = 255,795.26 : x - Step 2: Convert to fraction form
470,655.18/649,509.18 = 255,795.26/x - Step 3: Cross multiply
470,655.18x = 649,509.18 × 255,795.26 - Step 4: Simplify right side
470,655.18x = 166,141,369,570.49 - Step 5: Solve for x
x = 166,141,369,570.49/470,655.18 - Step 6: Final answer
x = 353,000.19
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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.