Finding the Fourth Proportional to 452,641.15, 624,634.74 and 245,904.19
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Solution
The fourth proportional to 452,641.15, 624,634.74 and 245,904.19 is: 339,342.32
Step by Step Solution
- Step 1: Write the proportion equation
452,641.15 : 624,634.74 = 245,904.19 : x - Step 2: Convert to fraction form
452,641.15/624,634.74 = 245,904.19/x - Step 3: Cross multiply
452,641.15x = 624,634.74 × 245,904.19 - Step 4: Simplify right side
452,641.15x = 153,600,299,785.56 - Step 5: Solve for x
x = 153,600,299,785.56/452,641.15 - Step 6: Final answer
x = 339,342.32
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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.