Finding the Fourth Proportional to 476,643.84, 657,603.36 and 283,007.04
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Solution
The fourth proportional to 476,643.84, 657,603.36 and 283,007.04 is: 390,451.66
Step by Step Solution
- Step 1: Write the proportion equation
476,643.84 : 657,603.36 = 283,007.04 : x - Step 2: Convert to fraction form
476,643.84/657,603.36 = 283,007.04/x - Step 3: Cross multiply
476,643.84x = 657,603.36 × 283,007.04 - Step 4: Simplify right side
476,643.84x = 186,106,380,407.65 - Step 5: Solve for x
x = 186,106,380,407.65/476,643.84 - Step 6: Final answer
x = 390,451.66
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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.