Finding the Fourth Proportional to 316,905.08, 475,037.76 and 198,659.48
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Solution
The fourth proportional to 316,905.08, 475,037.76 and 198,659.48 is: 297,788.71
Step by Step Solution
- Step 1: Write the proportion equation
316,905.08 : 475,037.76 = 198,659.48 : x - Step 2: Convert to fraction form
316,905.08/475,037.76 = 198,659.48/x - Step 3: Cross multiply
316,905.08x = 475,037.76 × 198,659.48 - Step 4: Simplify right side
316,905.08x = 94,370,754,381.96 - Step 5: Solve for x
x = 94,370,754,381.96/316,905.08 - Step 6: Final answer
x = 297,788.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.