Finding the Fourth Proportional to 432,831.60, 649,317.15 and 133,312.08
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Solution
The fourth proportional to 432,831.60, 649,317.15 and 133,312.08 is: 199,989.60
Step by Step Solution
- Step 1: Write the proportion equation
432,831.60 : 649,317.15 = 133,312.08 : x - Step 2: Convert to fraction form
432,831.60/649,317.15 = 133,312.08/x - Step 3: Cross multiply
432,831.60x = 649,317.15 × 133,312.08 - Step 4: Simplify right side
432,831.60x = 86,561,819,846.17 - Step 5: Solve for x
x = 86,561,819,846.17/432,831.60 - Step 6: Final answer
x = 199,989.60
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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.