Finding the Fourth Proportional to 648,643.44, 973,058.17 and 199,401.98
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Solution
The fourth proportional to 648,643.44, 973,058.17 and 199,401.98 is: 299,131.56
Step by Step Solution
- Step 1: Write the proportion equation
648,643.44 : 973,058.17 = 199,401.98 : x - Step 2: Convert to fraction form
648,643.44/973,058.17 = 199,401.98/x - Step 3: Cross multiply
648,643.44x = 973,058.17 × 199,401.98 - Step 4: Simplify right side
648,643.44x = 194,029,725,753.18 - Step 5: Solve for x
x = 194,029,725,753.18/648,643.44 - Step 6: Final answer
x = 299,131.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.