Finding the Fourth Proportional to 249,444.36, 374,314.16 and 91,783.53
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Solution
The fourth proportional to 249,444.36, 374,314.16 and 91,783.53 is: 137,729.61
Step by Step Solution
- Step 1: Write the proportion equation
249,444.36 : 374,314.16 = 91,783.53 : x - Step 2: Convert to fraction form
249,444.36/374,314.16 = 91,783.53/x - Step 3: Cross multiply
249,444.36x = 374,314.16 × 91,783.53 - Step 4: Simplify right side
249,444.36x = 34,355,875,163.24 - Step 5: Solve for x
x = 34,355,875,163.24/249,444.36 - Step 6: Final answer
x = 137,729.61
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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.