Finding the Fourth Proportional to 249,799.08, 374,697.72 and 89,874.68
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Solution
The fourth proportional to 249,799.08, 374,697.72 and 89,874.68 is: 134,811.70
Step by Step Solution
- Step 1: Write the proportion equation
249,799.08 : 374,697.72 = 89,874.68 : x - Step 2: Convert to fraction form
249,799.08/374,697.72 = 89,874.68/x - Step 3: Cross multiply
249,799.08x = 374,697.72 × 89,874.68 - Step 4: Simplify right side
249,799.08x = 33,675,837,681.73 - Step 5: Solve for x
x = 33,675,837,681.73/249,799.08 - Step 6: Final answer
x = 134,811.70
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1.5x scale
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.