Finding the Fourth Proportional to 464,135.13, 640,506.47 and 262,931.13
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Solution
The fourth proportional to 464,135.13, 640,506.47 and 262,931.13 is: 362,844.95
Step by Step Solution
- Step 1: Write the proportion equation
464,135.13 : 640,506.47 = 262,931.13 : x - Step 2: Convert to fraction form
464,135.13/640,506.47 = 262,931.13/x - Step 3: Cross multiply
464,135.13x = 640,506.47 × 262,931.13 - Step 4: Simplify right side
464,135.13x = 168,409,089,929.41 - Step 5: Solve for x
x = 168,409,089,929.41/464,135.13 - Step 6: Final answer
x = 362,844.95
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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.