Finding the Fourth Proportional to 473,446.40, 710,572.80 and 193,164.80
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Solution
The fourth proportional to 473,446.40, 710,572.80 and 193,164.80 is: 289,911.70
Step by Step Solution
- Step 1: Write the proportion equation
473,446.40 : 710,572.80 = 193,164.80 : x - Step 2: Convert to fraction form
473,446.40/710,572.80 = 193,164.80/x - Step 3: Cross multiply
473,446.40x = 710,572.80 × 193,164.80 - Step 4: Simplify right side
473,446.40x = 137,257,652,797.44 - Step 5: Solve for x
x = 137,257,652,797.44/473,446.40 - Step 6: Final answer
x = 289,911.70
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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.