Finding the Fourth Proportional to 249,319.12, 373,756.68 and 91,510.96
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Solution
The fourth proportional to 249,319.12, 373,756.68 and 91,510.96 is: 137,184.96
Step by Step Solution
- Step 1: Write the proportion equation
249,319.12 : 373,756.68 = 91,510.96 : x - Step 2: Convert to fraction form
249,319.12/373,756.68 = 91,510.96/x - Step 3: Cross multiply
249,319.12x = 373,756.68 × 91,510.96 - Step 4: Simplify right side
249,319.12x = 34,202,832,593.21 - Step 5: Solve for x
x = 34,202,832,593.21/249,319.12 - Step 6: Final answer
x = 137,184.96
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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.