Finding the Fourth Proportional to 257,365.10, 385,992.74 and 162,468.43
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Solution
The fourth proportional to 257,365.10, 385,992.74 and 162,468.43 is: 243,667.99
Step by Step Solution
- Step 1: Write the proportion equation
257,365.10 : 385,992.74 = 162,468.43 : x - Step 2: Convert to fraction form
257,365.10/385,992.74 = 162,468.43/x - Step 3: Cross multiply
257,365.10x = 385,992.74 × 162,468.43 - Step 4: Simplify right side
257,365.10x = 62,711,636,071.60 - Step 5: Solve for x
x = 62,711,636,071.60/257,365.10 - Step 6: Final answer
x = 243,667.99
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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.