Finding the Fourth Proportional to 607,964.64, 911,965.48 and 208,599.76
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Solution
The fourth proportional to 607,964.64, 911,965.48 and 208,599.76 is: 312,905.99
Step by Step Solution
- Step 1: Write the proportion equation
607,964.64 : 911,965.48 = 208,599.76 : x - Step 2: Convert to fraction form
607,964.64/911,965.48 = 208,599.76/x - Step 3: Cross multiply
607,964.64x = 911,965.48 × 208,599.76 - Step 4: Simplify right side
607,964.64x = 190,235,780,256.29 - Step 5: Solve for x
x = 190,235,780,256.29/607,964.64 - Step 6: Final answer
x = 312,905.99
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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.