Finding the Fourth Proportional to 475,313.40, 712,970.10 and 307,351.80
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Solution
The fourth proportional to 475,313.40, 712,970.10 and 307,351.80 is: 461,027.70
Step by Step Solution
- Step 1: Write the proportion equation
475,313.40 : 712,970.10 = 307,351.80 : x - Step 2: Convert to fraction form
475,313.40/712,970.10 = 307,351.80/x - Step 3: Cross multiply
475,313.40x = 712,970.10 × 307,351.80 - Step 4: Simplify right side
475,313.40x = 219,132,643,581.18 - Step 5: Solve for x
x = 219,132,643,581.18/475,313.40 - Step 6: Final answer
x = 461,027.70
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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.