Finding the Fourth Proportional to 519,303.80, 716,642.16 and 292,963.88
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Solution
The fourth proportional to 519,303.80, 716,642.16 and 292,963.88 is: 404,291.80
Step by Step Solution
- Step 1: Write the proportion equation
519,303.80 : 716,642.16 = 292,963.88 : x - Step 2: Convert to fraction form
519,303.80/716,642.16 = 292,963.88/x - Step 3: Cross multiply
519,303.80x = 716,642.16 × 292,963.88 - Step 4: Simplify right side
519,303.80x = 209,950,267,765.18 - Step 5: Solve for x
x = 209,950,267,765.18/519,303.80 - Step 6: Final answer
x = 404,291.80
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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.