Finding the Fourth Proportional to 470,437.96, 649,157.53 and 266,448.18
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Solution
The fourth proportional to 470,437.96, 649,157.53 and 266,448.18 is: 367,671.95
Step by Step Solution
- Step 1: Write the proportion equation
470,437.96 : 649,157.53 = 266,448.18 : x - Step 2: Convert to fraction form
470,437.96/649,157.53 = 266,448.18/x - Step 3: Cross multiply
470,437.96x = 649,157.53 × 266,448.18 - Step 4: Simplify right side
470,437.96x = 172,966,842,401.80 - Step 5: Solve for x
x = 172,966,842,401.80/470,437.96 - Step 6: Final answer
x = 367,671.95
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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.