Finding the Fourth Proportional to 424,143.60, 585,303.36 and 233,155.62
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Solution
The fourth proportional to 424,143.60, 585,303.36 and 233,155.62 is: 321,746.62
Step by Step Solution
- Step 1: Write the proportion equation
424,143.60 : 585,303.36 = 233,155.62 : x - Step 2: Convert to fraction form
424,143.60/585,303.36 = 233,155.62/x - Step 3: Cross multiply
424,143.60x = 585,303.36 × 233,155.62 - Step 4: Simplify right side
424,143.60x = 136,466,767,788.88 - Step 5: Solve for x
x = 136,466,767,788.88/424,143.60 - Step 6: Final answer
x = 321,746.62
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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.