Finding the Fourth Proportional to 665,387.76, 998,294.76 and 238,636.08
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Solution
The fourth proportional to 665,387.76, 998,294.76 and 238,636.08 is: 358,030.55
Step by Step Solution
- Step 1: Write the proportion equation
665,387.76 : 998,294.76 = 238,636.08 : x - Step 2: Convert to fraction form
665,387.76/998,294.76 = 238,636.08/x - Step 3: Cross multiply
665,387.76x = 998,294.76 × 238,636.08 - Step 4: Simplify right side
665,387.76x = 238,229,148,210.94 - Step 5: Solve for x
x = 238,229,148,210.94/665,387.76 - Step 6: Final answer
x = 358,030.55
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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.