Finding the Fourth Proportional to 448,303.70, 618,696.17 and 257,354.00
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Solution
The fourth proportional to 448,303.70, 618,696.17 and 257,354.00 is: 355,169.79
Step by Step Solution
- Step 1: Write the proportion equation
448,303.70 : 618,696.17 = 257,354.00 : x - Step 2: Convert to fraction form
448,303.70/618,696.17 = 257,354.00/x - Step 3: Cross multiply
448,303.70x = 618,696.17 × 257,354.00 - Step 4: Simplify right side
448,303.70x = 159,223,929,753.93 - Step 5: Solve for x
x = 159,223,929,753.93/448,303.70 - Step 6: Final answer
x = 355,169.79
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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.