Finding the Fourth Proportional to 838,357.08, 1,257,535.62 and 207,276.36
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Solution
The fourth proportional to 838,357.08, 1,257,535.62 and 207,276.36 is: 310,914.54
Step by Step Solution
- Step 1: Write the proportion equation
838,357.08 : 1,257,535.62 = 207,276.36 : x - Step 2: Convert to fraction form
838,357.08/1,257,535.62 = 207,276.36/x - Step 3: Cross multiply
838,357.08x = 1,257,535.62 × 207,276.36 - Step 4: Simplify right side
838,357.08x = 260,657,405,883.94 - Step 5: Solve for x
x = 260,657,405,883.94/838,357.08 - Step 6: Final answer
x = 310,914.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.