Finding the Fourth Proportional to 249,575.76, 374,402.36 and 105,482.19
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Solution
The fourth proportional to 249,575.76, 374,402.36 and 105,482.19 is: 158,239.65
Step by Step Solution
- Step 1: Write the proportion equation
249,575.76 : 374,402.36 = 105,482.19 : x - Step 2: Convert to fraction form
249,575.76/374,402.36 = 105,482.19/x - Step 3: Cross multiply
249,575.76x = 374,402.36 × 105,482.19 - Step 4: Simplify right side
249,575.76x = 39,492,780,873.97 - Step 5: Solve for x
x = 39,492,780,873.97/249,575.76 - Step 6: Final answer
x = 158,239.65
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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.