Finding the Fourth Proportional to 209,567.04, 314,408.52 and 69,424.08
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Solution
The fourth proportional to 209,567.04, 314,408.52 and 69,424.08 is: 104,155.32
Step by Step Solution
- Step 1: Write the proportion equation
209,567.04 : 314,408.52 = 69,424.08 : x - Step 2: Convert to fraction form
209,567.04/314,408.52 = 69,424.08/x - Step 3: Cross multiply
209,567.04x = 314,408.52 × 69,424.08 - Step 4: Simplify right side
209,567.04x = 21,827,522,245.16 - Step 5: Solve for x
x = 21,827,522,245.16/209,567.04 - Step 6: Final answer
x = 104,155.32
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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.