Finding the Fourth Proportional to 265,953.60, 366,965.76 and 158,533.68
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Solution
The fourth proportional to 265,953.60, 366,965.76 and 158,533.68 is: 218,746.55
Step by Step Solution
- Step 1: Write the proportion equation
265,953.60 : 366,965.76 = 158,533.68 : x - Step 2: Convert to fraction form
265,953.60/366,965.76 = 158,533.68/x - Step 3: Cross multiply
265,953.60x = 366,965.76 × 158,533.68 - Step 4: Simplify right side
265,953.60x = 58,176,432,366.80 - Step 5: Solve for x
x = 58,176,432,366.80/265,953.60 - Step 6: Final answer
x = 218,746.55
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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.