Finding the Fourth Proportional to 424,019.19, 585,152.18 and 230,430.74
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Solution
The fourth proportional to 424,019.19, 585,152.18 and 230,430.74 is: 317,997.52
Step by Step Solution
- Step 1: Write the proportion equation
424,019.19 : 585,152.18 = 230,430.74 : x - Step 2: Convert to fraction form
424,019.19/585,152.18 = 230,430.74/x - Step 3: Cross multiply
424,019.19x = 585,152.18 × 230,430.74 - Step 4: Simplify right side
424,019.19x = 134,837,051,223.87 - Step 5: Solve for x
x = 134,837,051,223.87/424,019.19 - Step 6: Final answer
x = 317,997.52
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1.5x scale
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.