Finding the Fourth Proportional to 549,497.70, 824,246.55 and 309,365.10
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Solution
The fourth proportional to 549,497.70, 824,246.55 and 309,365.10 is: 464,047.65
Step by Step Solution
- Step 1: Write the proportion equation
549,497.70 : 824,246.55 = 309,365.10 : x - Step 2: Convert to fraction form
549,497.70/824,246.55 = 309,365.10/x - Step 3: Cross multiply
549,497.70x = 824,246.55 × 309,365.10 - Step 4: Simplify right side
549,497.70x = 254,993,116,365.41 - Step 5: Solve for x
x = 254,993,116,365.41/549,497.70 - Step 6: Final answer
x = 464,047.65
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Similar ratio
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1.5x scale
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.