Finding the Fourth Proportional to 468,297.36, 646,250.40 and 253,438.98
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Solution
The fourth proportional to 468,297.36, 646,250.40 and 253,438.98 is: 349,745.82
Step by Step Solution
- Step 1: Write the proportion equation
468,297.36 : 646,250.40 = 253,438.98 : x - Step 2: Convert to fraction form
468,297.36/646,250.40 = 253,438.98/x - Step 3: Cross multiply
468,297.36x = 646,250.40 × 253,438.98 - Step 4: Simplify right side
468,297.36x = 163,785,042,200.59 - Step 5: Solve for x
x = 163,785,042,200.59/468,297.36 - Step 6: Final answer
x = 349,745.82
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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.