Finding the Fourth Proportional to 447,430.41, 617,462.15 and 246,222.09
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Solution
The fourth proportional to 447,430.41, 617,462.15 and 246,222.09 is: 339,790.99
Step by Step Solution
- Step 1: Write the proportion equation
447,430.41 : 617,462.15 = 246,222.09 : x - Step 2: Convert to fraction form
447,430.41/617,462.15 = 246,222.09/x - Step 3: Cross multiply
447,430.41x = 617,462.15 × 246,222.09 - Step 4: Simplify right side
447,430.41x = 152,032,819,837.78 - Step 5: Solve for x
x = 152,032,819,837.78/447,430.41 - Step 6: Final answer
x = 339,790.99
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1.5x scale
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.