Finding the Fourth Proportional to 316,812.96, 474,038.28 and 313,269.84
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Solution
The fourth proportional to 316,812.96, 474,038.28 and 313,269.84 is: 468,736.81
Step by Step Solution
- Step 1: Write the proportion equation
316,812.96 : 474,038.28 = 313,269.84 : x - Step 2: Convert to fraction form
316,812.96/474,038.28 = 313,269.84/x - Step 3: Cross multiply
316,812.96x = 474,038.28 × 313,269.84 - Step 4: Simplify right side
316,812.96x = 148,501,896,129.48 - Step 5: Solve for x
x = 148,501,896,129.48/316,812.96 - Step 6: Final answer
x = 468,736.81
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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.