Finding the Fourth Proportional to 343,970.16, 474,652.76 and 193,038
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Solution
The fourth proportional to 343,970.16, 474,652.76 and 193,038 is: 266,377.81
Step by Step Solution
- Step 1: Write the proportion equation
343,970.16 : 474,652.76 = 193,038 : x - Step 2: Convert to fraction form
343,970.16/474,652.76 = 193,038/x - Step 3: Cross multiply
343,970.16x = 474,652.76 × 193,038 - Step 4: Simplify right side
343,970.16x = 91,626,019,484.88 - Step 5: Solve for x
x = 91,626,019,484.88/343,970.16 - Step 6: Final answer
x = 266,377.81
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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.