Finding the Fourth Proportional to 549,972.62, 757,542.58 and 388,547.42
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Solution
The fourth proportional to 549,972.62, 757,542.58 and 388,547.42 is: 535,192.48
Step by Step Solution
- Step 1: Write the proportion equation
549,972.62 : 757,542.58 = 388,547.42 : x - Step 2: Convert to fraction form
549,972.62/757,542.58 = 388,547.42/x - Step 3: Cross multiply
549,972.62x = 757,542.58 × 388,547.42 - Step 4: Simplify right side
549,972.62x = 294,341,210,240.06 - Step 5: Solve for x
x = 294,341,210,240.06/549,972.62 - Step 6: Final answer
x = 535,192.48
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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.