Finding the Fourth Proportional to 288,746.55, 432,829.01 and 120,360.08
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Solution
The fourth proportional to 288,746.55, 432,829.01 and 120,360.08 is: 180,418.89
Step by Step Solution
- Step 1: Write the proportion equation
288,746.55 : 432,829.01 = 120,360.08 : x - Step 2: Convert to fraction form
288,746.55/432,829.01 = 120,360.08/x - Step 3: Cross multiply
288,746.55x = 432,829.01 × 120,360.08 - Step 4: Simplify right side
288,746.55x = 52,095,331,503.98 - Step 5: Solve for x
x = 52,095,331,503.98/288,746.55 - Step 6: Final answer
x = 180,418.89
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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.