Finding the Fourth Proportional to 472,434.36, 651,950.64 and 257,576.28
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Solution
The fourth proportional to 472,434.36, 651,950.64 and 257,576.28 is: 355,450.48
Step by Step Solution
- Step 1: Write the proportion equation
472,434.36 : 651,950.64 = 257,576.28 : x - Step 2: Convert to fraction form
472,434.36/651,950.64 = 257,576.28/x - Step 3: Cross multiply
472,434.36x = 651,950.64 × 257,576.28 - Step 4: Simplify right side
472,434.36x = 167,927,020,594.82 - Step 5: Solve for x
x = 167,927,020,594.82/472,434.36 - Step 6: Final answer
x = 355,450.48
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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.