Finding the Fourth Proportional to 288,615.60, 432,970.79 and 88,936.02
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Solution
The fourth proportional to 288,615.60, 432,970.79 and 88,936.02 is: 133,418.63
Step by Step Solution
- Step 1: Write the proportion equation
288,615.60 : 432,970.79 = 88,936.02 : x - Step 2: Convert to fraction form
288,615.60/432,970.79 = 88,936.02/x - Step 3: Cross multiply
288,615.60x = 432,970.79 × 88,936.02 - Step 4: Simplify right side
288,615.60x = 38,506,698,394.18 - Step 5: Solve for x
x = 38,506,698,394.18/288,615.60 - Step 6: Final answer
x = 133,418.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.