Finding the Fourth Proportional to 471,831.68, 651,135.14 and 256,971.58
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Solution
The fourth proportional to 471,831.68, 651,135.14 and 256,971.58 is: 354,624.82
Step by Step Solution
- Step 1: Write the proportion equation
471,831.68 : 651,135.14 = 256,971.58 : x - Step 2: Convert to fraction form
471,831.68/651,135.14 = 256,971.58/x - Step 3: Cross multiply
471,831.68x = 651,135.14 × 256,971.58 - Step 4: Simplify right side
471,831.68x = 167,323,225,719.32 - Step 5: Solve for x
x = 167,323,225,719.32/471,831.68 - Step 6: Final answer
x = 354,624.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.