Finding the Fourth Proportional to 470,194.08, 648,927.12 and 291,372.96
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Solution
The fourth proportional to 470,194.08, 648,927.12 and 291,372.96 is: 402,131.43
Step by Step Solution
- Step 1: Write the proportion equation
470,194.08 : 648,927.12 = 291,372.96 : x - Step 2: Convert to fraction form
470,194.08/648,927.12 = 291,372.96/x - Step 3: Cross multiply
470,194.08x = 648,927.12 × 291,372.96 - Step 4: Simplify right side
470,194.08x = 189,079,815,778.68 - Step 5: Solve for x
x = 189,079,815,778.68/470,194.08 - Step 6: Final answer
x = 402,131.43
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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.