Finding the Fourth Proportional to 470,390.96, 649,106.69 and 260,837.02
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Solution
The fourth proportional to 470,390.96, 649,106.69 and 260,837.02 is: 359,936.88
Step by Step Solution
- Step 1: Write the proportion equation
470,390.96 : 649,106.69 = 260,837.02 : x - Step 2: Convert to fraction form
470,390.96/649,106.69 = 260,837.02/x - Step 3: Cross multiply
470,390.96x = 649,106.69 × 260,837.02 - Step 4: Simplify right side
470,390.96x = 169,311,054,681.66 - Step 5: Solve for x
x = 169,311,054,681.66/470,390.96 - Step 6: Final answer
x = 359,936.88
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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.