Finding the Fourth Proportional to 259,277.35, 357,967.88 and 211,643.95
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Solution
The fourth proportional to 259,277.35, 357,967.88 and 211,643.95 is: 292,203.45
Step by Step Solution
- Step 1: Write the proportion equation
259,277.35 : 357,967.88 = 211,643.95 : x - Step 2: Convert to fraction form
259,277.35/357,967.88 = 211,643.95/x - Step 3: Cross multiply
259,277.35x = 357,967.88 × 211,643.95 - Step 4: Simplify right side
259,277.35x = 75,761,735,038.11 - Step 5: Solve for x
x = 75,761,735,038.11/259,277.35 - Step 6: Final answer
x = 292,203.45
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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.