Finding the Fourth Proportional to 460,984.70, 636,126.41 and 257,026.91
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Solution
The fourth proportional to 460,984.70, 636,126.41 and 257,026.91 is: 354,679.02
Step by Step Solution
- Step 1: Write the proportion equation
460,984.70 : 636,126.41 = 257,026.91 : x - Step 2: Convert to fraction form
460,984.70/636,126.41 = 257,026.91/x - Step 3: Cross multiply
460,984.70x = 636,126.41 × 257,026.91 - Step 4: Simplify right side
460,984.70x = 163,501,602,993.63 - Step 5: Solve for x
x = 163,501,602,993.63/460,984.70 - Step 6: Final answer
x = 354,679.02
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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.