Finding the Fourth Proportional to 219,214.74, 328,831.66 and 69,466.06
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Solution
The fourth proportional to 219,214.74, 328,831.66 and 69,466.06 is: 104,202.12
Step by Step Solution
- Step 1: Write the proportion equation
219,214.74 : 328,831.66 = 69,466.06 : x - Step 2: Convert to fraction form
219,214.74/328,831.66 = 69,466.06/x - Step 3: Cross multiply
219,214.74x = 328,831.66 × 69,466.06 - Step 4: Simplify right side
219,214.74x = 22,842,639,823.46 - Step 5: Solve for x
x = 22,842,639,823.46/219,214.74 - Step 6: Final answer
x = 104,202.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.