Finding the Fourth Proportional to 307,859.60, 461,746.20 and 97,518.80
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Solution
The fourth proportional to 307,859.60, 461,746.20 and 97,518.80 is: 146,264.52
Step by Step Solution
- Step 1: Write the proportion equation
307,859.60 : 461,746.20 = 97,518.80 : x - Step 2: Convert to fraction form
307,859.60/461,746.20 = 97,518.80/x - Step 3: Cross multiply
307,859.60x = 461,746.20 × 97,518.80 - Step 4: Simplify right side
307,859.60x = 45,028,935,328.56 - Step 5: Solve for x
x = 45,028,935,328.56/307,859.60 - Step 6: Final answer
x = 146,264.52
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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.