Finding the Fourth Proportional to 461,952.74, 637,476.84 and 289,963.13
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Solution
The fourth proportional to 461,952.74, 637,476.84 and 289,963.13 is: 400,137.85
Step by Step Solution
- Step 1: Write the proportion equation
461,952.74 : 637,476.84 = 289,963.13 : x - Step 2: Convert to fraction form
461,952.74/637,476.84 = 289,963.13/x - Step 3: Cross multiply
461,952.74x = 637,476.84 × 289,963.13 - Step 4: Simplify right side
461,952.74x = 184,844,776,641.53 - Step 5: Solve for x
x = 184,844,776,641.53/461,952.74 - Step 6: Final answer
x = 400,137.85
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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.