Finding the Fourth Proportional to 577,982.76, 866,886.66 and 157,291.44
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Solution
The fourth proportional to 577,982.76, 866,886.66 and 157,291.44 is: 235,913.35
Step by Step Solution
- Step 1: Write the proportion equation
577,982.76 : 866,886.66 = 157,291.44 : x - Step 2: Convert to fraction form
577,982.76/866,886.66 = 157,291.44/x - Step 3: Cross multiply
577,982.76x = 866,886.66 × 157,291.44 - Step 4: Simplify right side
577,982.76x = 136,353,851,068.19 - Step 5: Solve for x
x = 136,353,851,068.19/577,982.76 - Step 6: Final answer
x = 235,913.35
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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.