Finding the Fourth Proportional to 468,460.07, 646,474.76 and 253,599.98
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Solution
The fourth proportional to 468,460.07, 646,474.76 and 253,599.98 is: 349,967.90
Step by Step Solution
- Step 1: Write the proportion equation
468,460.07 : 646,474.76 = 253,599.98 : x - Step 2: Convert to fraction form
468,460.07/646,474.76 = 253,599.98/x - Step 3: Cross multiply
468,460.07x = 646,474.76 × 253,599.98 - Step 4: Simplify right side
468,460.07x = 163,945,986,032.41 - Step 5: Solve for x
x = 163,945,986,032.41/468,460.07 - Step 6: Final answer
x = 349,967.90
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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.