Finding the Fourth Proportional to 152,384.60, 228,378.19 and 84,913.81
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Solution
The fourth proportional to 152,384.60, 228,378.19 and 84,913.81 is: 127,259.99
Step by Step Solution
- Step 1: Write the proportion equation
152,384.60 : 228,378.19 = 84,913.81 : x - Step 2: Convert to fraction form
152,384.60/228,378.19 = 84,913.81/x - Step 3: Cross multiply
152,384.60x = 228,378.19 × 84,913.81 - Step 4: Simplify right side
152,384.60x = 19,392,462,233.80 - Step 5: Solve for x
x = 19,392,462,233.80/152,384.60 - Step 6: Final answer
x = 127,259.99
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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.