Finding the Fourth Proportional to 472,457.14, 651,993.91 and 257,600.79
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Solution
The fourth proportional to 472,457.14, 651,993.91 and 257,600.79 is: 355,490.76
Step by Step Solution
- Step 1: Write the proportion equation
472,457.14 : 651,993.91 = 257,600.79 : x - Step 2: Convert to fraction form
472,457.14/651,993.91 = 257,600.79/x - Step 3: Cross multiply
472,457.14x = 651,993.91 × 257,600.79 - Step 4: Simplify right side
472,457.14x = 167,954,145,647.19 - Step 5: Solve for x
x = 167,954,145,647.19/472,457.14 - Step 6: Final answer
x = 355,490.76
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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.