Finding the Fourth Proportional to 224,303.40, 309,539.04 and 122,329.08
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Solution
The fourth proportional to 224,303.40, 309,539.04 and 122,329.08 is: 168,814.32
Step by Step Solution
- Step 1: Write the proportion equation
224,303.40 : 309,539.04 = 122,329.08 : x - Step 2: Convert to fraction form
224,303.40/309,539.04 = 122,329.08/x - Step 3: Cross multiply
224,303.40x = 309,539.04 × 122,329.08 - Step 4: Simplify right side
224,303.40x = 37,865,625,987.28 - Step 5: Solve for x
x = 37,865,625,987.28/224,303.40 - Step 6: Final answer
x = 168,814.32
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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.