Finding the Fourth Proportional to 472,554.98, 652,125.99 and 257,689.52
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Solution
The fourth proportional to 472,554.98, 652,125.99 and 257,689.52 is: 355,611.60
Step by Step Solution
- Step 1: Write the proportion equation
472,554.98 : 652,125.99 = 257,689.52 : x - Step 2: Convert to fraction form
472,554.98/652,125.99 = 257,689.52/x - Step 3: Cross multiply
472,554.98x = 652,125.99 × 257,689.52 - Step 4: Simplify right side
472,554.98x = 168,046,033,342.63 - Step 5: Solve for x
x = 168,046,033,342.63/472,554.98 - Step 6: Final answer
x = 355,611.60
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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.