Finding the Fourth Proportional to 338,565.42, 507,688.93 and 125,185.90
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Solution
The fourth proportional to 338,565.42, 507,688.93 and 125,185.90 is: 187,719.99
Step by Step Solution
- Step 1: Write the proportion equation
338,565.42 : 507,688.93 = 125,185.90 : x - Step 2: Convert to fraction form
338,565.42/507,688.93 = 125,185.90/x - Step 3: Cross multiply
338,565.42x = 507,688.93 × 125,185.90 - Step 4: Simplify right side
338,565.42x = 63,555,495,622.09 - Step 5: Solve for x
x = 63,555,495,622.09/338,565.42 - Step 6: Final answer
x = 187,719.99
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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.