Finding the Fourth Proportional to 439,955.99, 607,139.66 and 238,751.99
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Solution
The fourth proportional to 439,955.99, 607,139.66 and 238,751.99 is: 329,477.96
Step by Step Solution
- Step 1: Write the proportion equation
439,955.99 : 607,139.66 = 238,751.99 : x - Step 2: Convert to fraction form
439,955.99/607,139.66 = 238,751.99/x - Step 3: Cross multiply
439,955.99x = 607,139.66 × 238,751.99 - Step 4: Simplify right side
439,955.99x = 144,955,802,032.92 - Step 5: Solve for x
x = 144,955,802,032.92/439,955.99 - Step 6: Final answer
x = 329,477.96
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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.