Finding the Fourth Proportional to 552,639.89, 828,959.68 and 153,280.71
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Solution
The fourth proportional to 552,639.89, 828,959.68 and 153,280.71 is: 229,921.02
Step by Step Solution
- Step 1: Write the proportion equation
552,639.89 : 828,959.68 = 153,280.71 : x - Step 2: Convert to fraction form
552,639.89/828,959.68 = 153,280.71/x - Step 3: Cross multiply
552,639.89x = 828,959.68 × 153,280.71 - Step 4: Simplify right side
552,639.89x = 127,063,528,503.37 - Step 5: Solve for x
x = 127,063,528,503.37/552,639.89 - Step 6: Final answer
x = 229,921.02
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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.