Finding the Fourth Proportional to 549,106.14, 757,760.64 and 307,390.70
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Solution
The fourth proportional to 549,106.14, 757,760.64 and 307,390.70 is: 424,195.90
Step by Step Solution
- Step 1: Write the proportion equation
549,106.14 : 757,760.64 = 307,390.70 : x - Step 2: Convert to fraction form
549,106.14/757,760.64 = 307,390.70/x - Step 3: Cross multiply
549,106.14x = 757,760.64 × 307,390.70 - Step 4: Simplify right side
549,106.14x = 232,928,574,303.73 - Step 5: Solve for x
x = 232,928,574,303.73/549,106.14 - Step 6: Final answer
x = 424,195.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.