Finding the Fourth Proportional to 291,952.99, 402,908.93 and 164,625.85
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Solution
The fourth proportional to 291,952.99, 402,908.93 and 164,625.85 is: 227,191.46
Step by Step Solution
- Step 1: Write the proportion equation
291,952.99 : 402,908.93 = 164,625.85 : x - Step 2: Convert to fraction form
291,952.99/402,908.93 = 164,625.85/x - Step 3: Cross multiply
291,952.99x = 402,908.93 × 164,625.85 - Step 4: Simplify right side
291,952.99x = 66,329,226,297.71 - Step 5: Solve for x
x = 66,329,226,297.71/291,952.99 - Step 6: Final answer
x = 227,191.46
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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.