Finding the Fourth Proportional to 306,218.70, 458,835.98 and 226,502.55
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Solution
The fourth proportional to 306,218.70, 458,835.98 and 226,502.55 is: 339,389.85
Step by Step Solution
- Step 1: Write the proportion equation
306,218.70 : 458,835.98 = 226,502.55 : x - Step 2: Convert to fraction form
306,218.70/458,835.98 = 226,502.55/x - Step 3: Cross multiply
306,218.70x = 458,835.98 × 226,502.55 - Step 4: Simplify right side
306,218.70x = 103,927,518,369.24 - Step 5: Solve for x
x = 103,927,518,369.24/306,218.70 - Step 6: Final answer
x = 339,389.85
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.