Finding the Fourth Proportional to 470,355.12, 649,102.14 and 255,507.48
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Solution
The fourth proportional to 470,355.12, 649,102.14 and 255,507.48 is: 352,606.88
Step by Step Solution
- Step 1: Write the proportion equation
470,355.12 : 649,102.14 = 255,507.48 : x - Step 2: Convert to fraction form
470,355.12/649,102.14 = 255,507.48/x - Step 3: Cross multiply
470,355.12x = 649,102.14 × 255,507.48 - Step 4: Simplify right side
470,355.12x = 165,850,452,054.01 - Step 5: Solve for x
x = 165,850,452,054.01/470,355.12 - Step 6: Final answer
x = 352,606.88
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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.