Finding the Fourth Proportional to 475,416.27, 656,073.18 and 257,630.99
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Solution
The fourth proportional to 475,416.27, 656,073.18 and 257,630.99 is: 355,530.07
Step by Step Solution
- Step 1: Write the proportion equation
475,416.27 : 656,073.18 = 257,630.99 : x - Step 2: Convert to fraction form
475,416.27/656,073.18 = 257,630.99/x - Step 3: Cross multiply
475,416.27x = 656,073.18 × 257,630.99 - Step 4: Simplify right side
475,416.27x = 169,024,782,055.76 - Step 5: Solve for x
x = 169,024,782,055.76/475,416.27 - Step 6: Final answer
x = 355,530.07
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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.