Finding the Fourth Proportional to 424,904.24, 636,889.80 and 144,210.08
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Solution
The fourth proportional to 424,904.24, 636,889.80 and 144,210.08 is: 216,156.77
Step by Step Solution
- Step 1: Write the proportion equation
424,904.24 : 636,889.80 = 144,210.08 : x - Step 2: Convert to fraction form
424,904.24/636,889.80 = 144,210.08/x - Step 3: Cross multiply
424,904.24x = 636,889.80 × 144,210.08 - Step 4: Simplify right side
424,904.24x = 91,845,929,009.18 - Step 5: Solve for x
x = 91,845,929,009.18/424,904.24 - Step 6: Final answer
x = 216,156.77
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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.