Finding the Fourth Proportional to 452,642.13, 624,643.65 and 245,908.80
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Solution
The fourth proportional to 452,642.13, 624,643.65 and 245,908.80 is: 339,352.79
Step by Step Solution
- Step 1: Write the proportion equation
452,642.13 : 624,643.65 = 245,908.80 : x - Step 2: Convert to fraction form
452,642.13/624,643.65 = 245,908.80/x - Step 3: Cross multiply
452,642.13x = 624,643.65 × 245,908.80 - Step 4: Simplify right side
452,642.13x = 153,605,370,399.12 - Step 5: Solve for x
x = 153,605,370,399.12/452,642.13 - Step 6: Final answer
x = 339,352.79
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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.