Finding the Fourth Proportional to 383,802.95, 575,815.14 and 117,602.68
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Solution
The fourth proportional to 383,802.95, 575,815.14 and 117,602.68 is: 176,437.94
Step by Step Solution
- Step 1: Write the proportion equation
383,802.95 : 575,815.14 = 117,602.68 : x - Step 2: Convert to fraction form
383,802.95/575,815.14 = 117,602.68/x - Step 3: Cross multiply
383,802.95x = 575,815.14 × 117,602.68 - Step 4: Simplify right side
383,802.95x = 67,717,403,421.31 - Step 5: Solve for x
x = 67,717,403,421.31/383,802.95 - Step 6: Final answer
x = 176,437.94
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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.