Finding the Fourth Proportional to 439,996.18, 607,194.57 and 238,792.18
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Solution
The fourth proportional to 439,996.18, 607,194.57 and 238,792.18 is: 329,533.12
Step by Step Solution
- Step 1: Write the proportion equation
439,996.18 : 607,194.57 = 238,792.18 : x - Step 2: Convert to fraction form
439,996.18/607,194.57 = 238,792.18/x - Step 3: Cross multiply
439,996.18x = 607,194.57 × 238,792.18 - Step 4: Simplify right side
439,996.18x = 144,993,315,054.46 - Step 5: Solve for x
x = 144,993,315,054.46/439,996.18 - Step 6: Final answer
x = 329,533.12
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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.