Finding the Fourth Proportional to 609,374.50, 913,501.99 and 209,920.32
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Solution
The fourth proportional to 609,374.50, 913,501.99 and 209,920.32 is: 314,687.65
Step by Step Solution
- Step 1: Write the proportion equation
609,374.50 : 913,501.99 = 209,920.32 : x - Step 2: Convert to fraction form
609,374.50/913,501.99 = 209,920.32/x - Step 3: Cross multiply
609,374.50x = 913,501.99 × 209,920.32 - Step 4: Simplify right side
609,374.50x = 191,762,630,914.24 - Step 5: Solve for x
x = 191,762,630,914.24/609,374.50 - Step 6: Final answer
x = 314,687.65
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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.