Finding the Fourth Proportional to 211,136.92, 291,374.63 and 119,248.84
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Solution
The fourth proportional to 211,136.92, 291,374.63 and 119,248.84 is: 164,566.61
Step by Step Solution
- Step 1: Write the proportion equation
211,136.92 : 291,374.63 = 119,248.84 : x - Step 2: Convert to fraction form
211,136.92/291,374.63 = 119,248.84/x - Step 3: Cross multiply
211,136.92x = 291,374.63 × 119,248.84 - Step 4: Simplify right side
211,136.92x = 34,746,086,632.93 - Step 5: Solve for x
x = 34,746,086,632.93/211,136.92 - Step 6: Final answer
x = 164,566.61
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1.5x scale
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.