Finding the Fourth Proportional to 646,298.68, 969,593.40 and 197,064.96
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Solution
The fourth proportional to 646,298.68, 969,593.40 and 197,064.96 is: 295,641.77
Step by Step Solution
- Step 1: Write the proportion equation
646,298.68 : 969,593.40 = 197,064.96 : x - Step 2: Convert to fraction form
646,298.68/969,593.40 = 197,064.96/x - Step 3: Cross multiply
646,298.68x = 969,593.40 × 197,064.96 - Step 4: Simplify right side
646,298.68x = 191,072,884,587.26 - Step 5: Solve for x
x = 191,072,884,587.26/646,298.68 - Step 6: Final answer
x = 295,641.77
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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.