Finding the Fourth Proportional to 472,141.44, 651,551.58 and 257,280.84
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Solution
The fourth proportional to 472,141.44, 651,551.58 and 257,280.84 is: 355,045.59
Step by Step Solution
- Step 1: Write the proportion equation
472,141.44 : 651,551.58 = 257,280.84 : x - Step 2: Convert to fraction form
472,141.44/651,551.58 = 257,280.84/x - Step 3: Cross multiply
472,141.44x = 651,551.58 × 257,280.84 - Step 4: Simplify right side
472,141.44x = 167,631,737,805.73 - Step 5: Solve for x
x = 167,631,737,805.73/472,141.44 - Step 6: Final answer
x = 355,045.59
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1.5x scale
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.