Finding the Fourth Proportional to 156,880.68, 235,318.95 and 38,553.06
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Solution
The fourth proportional to 156,880.68, 235,318.95 and 38,553.06 is: 57,829.08
Step by Step Solution
- Step 1: Write the proportion equation
156,880.68 : 235,318.95 = 38,553.06 : x - Step 2: Convert to fraction form
156,880.68/235,318.95 = 38,553.06/x - Step 3: Cross multiply
156,880.68x = 235,318.95 × 38,553.06 - Step 4: Simplify right side
156,880.68x = 9,072,265,598.49 - Step 5: Solve for x
x = 9,072,265,598.49/156,880.68 - Step 6: Final answer
x = 57,829.08
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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.