Finding the Fourth Proportional to 249,518.95, 374,544.74 and 107,434.55
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Solution
The fourth proportional to 249,518.95, 374,544.74 and 107,434.55 is: 161,266.50
Step by Step Solution
- Step 1: Write the proportion equation
249,518.95 : 374,544.74 = 107,434.55 : x - Step 2: Convert to fraction form
249,518.95/374,544.74 = 107,434.55/x - Step 3: Cross multiply
249,518.95x = 374,544.74 × 107,434.55 - Step 4: Simplify right side
249,518.95x = 40,239,046,801.72 - Step 5: Solve for x
x = 40,239,046,801.72/249,518.95 - Step 6: Final answer
x = 161,266.50
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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.