Finding the Fourth Proportional to 135,530.70, 203,368.95 and 56,652.90
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Solution
The fourth proportional to 135,530.70, 203,368.95 and 56,652.90 is: 85,009.82
Step by Step Solution
- Step 1: Write the proportion equation
135,530.70 : 203,368.95 = 56,652.90 : x - Step 2: Convert to fraction form
135,530.70/203,368.95 = 56,652.90/x - Step 3: Cross multiply
135,530.70x = 203,368.95 × 56,652.90 - Step 4: Simplify right side
135,530.70x = 11,521,440,787.46 - Step 5: Solve for x
x = 11,521,440,787.46/135,530.70 - Step 6: Final answer
x = 85,009.82
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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.