Finding the Fourth Proportional to 472,302.06, 651,772.80 and 257,442.18
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Solution
The fourth proportional to 472,302.06, 651,772.80 and 257,442.18 is: 355,268.00
Step by Step Solution
- Step 1: Write the proportion equation
472,302.06 : 651,772.80 = 257,442.18 : x - Step 2: Convert to fraction form
472,302.06/651,772.80 = 257,442.18/x - Step 3: Cross multiply
472,302.06x = 651,772.80 × 257,442.18 - Step 4: Simplify right side
472,302.06x = 167,793,810,496.70 - Step 5: Solve for x
x = 167,793,810,496.70/472,302.06 - Step 6: Final answer
x = 355,268.00
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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.