Finding the Fourth Proportional to 468,258.87, 646,197.21 and 253,398.92
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Solution
The fourth proportional to 468,258.87, 646,197.21 and 253,398.92 is: 349,690.48
Step by Step Solution
- Step 1: Write the proportion equation
468,258.87 : 646,197.21 = 253,398.92 : x - Step 2: Convert to fraction form
468,258.87/646,197.21 = 253,398.92/x - Step 3: Cross multiply
468,258.87x = 646,197.21 × 253,398.92 - Step 4: Simplify right side
468,258.87x = 163,745,671,890.03 - Step 5: Solve for x
x = 163,745,671,890.03/468,258.87 - Step 6: Final answer
x = 349,690.48
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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.