Finding the Fourth Proportional to 470,646.18, 649,496.75 and 255,786.26
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Solution
The fourth proportional to 470,646.18, 649,496.75 and 255,786.26 is: 352,987.76
Step by Step Solution
- Step 1: Write the proportion equation
470,646.18 : 649,496.75 = 255,786.26 : x - Step 2: Convert to fraction form
470,646.18/649,496.75 = 255,786.26/x - Step 3: Cross multiply
470,646.18x = 649,496.75 × 255,786.26 - Step 4: Simplify right side
470,646.18x = 166,132,340,038.24 - Step 5: Solve for x
x = 166,132,340,038.24/470,646.18 - Step 6: Final answer
x = 352,987.76
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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.