Finding the Fourth Proportional to 288,309.03, 432,463.55 and 130,533.99
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Solution
The fourth proportional to 288,309.03, 432,463.55 and 130,533.99 is: 195,800.99
Step by Step Solution
- Step 1: Write the proportion equation
288,309.03 : 432,463.55 = 130,533.99 : x - Step 2: Convert to fraction form
288,309.03/432,463.55 = 130,533.99/x - Step 3: Cross multiply
288,309.03x = 432,463.55 × 130,533.99 - Step 4: Simplify right side
288,309.03x = 56,451,192,058.39 - Step 5: Solve for x
x = 56,451,192,058.39/288,309.03 - Step 6: Final answer
x = 195,800.99
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1.5x scale
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.