Finding the Fourth Proportional to 291,552.40, 402,374.99 and 162,502.65
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Solution
The fourth proportional to 291,552.40, 402,374.99 and 162,502.65 is: 224,271.87
Step by Step Solution
- Step 1: Write the proportion equation
291,552.40 : 402,374.99 = 162,502.65 : x - Step 2: Convert to fraction form
291,552.40/402,374.99 = 162,502.65/x - Step 3: Cross multiply
291,552.40x = 402,374.99 × 162,502.65 - Step 4: Simplify right side
291,552.40x = 65,387,002,168.72 - Step 5: Solve for x
x = 65,387,002,168.72/291,552.40 - Step 6: Final answer
x = 224,271.87
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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.