Finding the Fourth Proportional to 288,037.62, 432,276.95 and 130,376.79
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Solution
The fourth proportional to 288,037.62, 432,276.95 and 130,376.79 is: 195,665.00
Step by Step Solution
- Step 1: Write the proportion equation
288,037.62 : 432,276.95 = 130,376.79 : x - Step 2: Convert to fraction form
288,037.62/432,276.95 = 130,376.79/x - Step 3: Cross multiply
288,037.62x = 432,276.95 × 130,376.79 - Step 4: Simplify right side
288,037.62x = 56,358,881,457.93 - Step 5: Solve for x
x = 56,358,881,457.93/288,037.62 - Step 6: Final answer
x = 195,665.00
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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.