Finding the Fourth Proportional to 615,106.12, 848,827.20 and 360,626.80
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Solution
The fourth proportional to 615,106.12, 848,827.20 and 360,626.80 is: 497,653.70
Step by Step Solution
- Step 1: Write the proportion equation
615,106.12 : 848,827.20 = 360,626.80 : x - Step 2: Convert to fraction form
615,106.12/848,827.20 = 360,626.80/x - Step 3: Cross multiply
615,106.12x = 848,827.20 × 360,626.80 - Step 4: Simplify right side
615,106.12x = 306,109,836,888.96 - Step 5: Solve for x
x = 306,109,836,888.96/615,106.12 - Step 6: Final answer
x = 497,653.70
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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.