Finding the Fourth Proportional to 210,316,268.80, 315,474,403.20 and 174,484,460.80
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Solution
The fourth proportional to 210,316,268.80, 315,474,403.20 and 174,484,460.80 is: 261,726,691.20
Step by Step Solution
- Step 1: Write the proportion equation
210,316,268.80 : 315,474,403.20 = 174,484,460.80 : x - Step 2: Convert to fraction form
210,316,268.80/315,474,403.20 = 174,484,460.80/x - Step 3: Cross multiply
210,316,268.80x = 315,474,403.20 × 174,484,460.80 - Step 4: Simplify right side
210,316,268.80x = 55,045,381,138,553,800 - Step 5: Solve for x
x = 55,045,381,138,553,800/210,316,268.80 - Step 6: Final answer
x = 261,726,691.20
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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.