Finding the Fourth Proportional to 431,258.64, 647,088.84 and 164,931.44
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Solution
The fourth proportional to 431,258.64, 647,088.84 and 164,931.44 is: 247,473.98
Step by Step Solution
- Step 1: Write the proportion equation
431,258.64 : 647,088.84 = 164,931.44 : x - Step 2: Convert to fraction form
431,258.64/647,088.84 = 164,931.44/x - Step 3: Cross multiply
431,258.64x = 647,088.84 × 164,931.44 - Step 4: Simplify right side
431,258.64x = 106,725,294,189.13 - Step 5: Solve for x
x = 106,725,294,189.13/431,258.64 - Step 6: Final answer
x = 247,473.98
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.