Finding the Fourth Proportional to 575,681.76, 863,315.28 and 243,283.68
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Solution
The fourth proportional to 575,681.76, 863,315.28 and 243,283.68 is: 364,837.89
Step by Step Solution
- Step 1: Write the proportion equation
575,681.76 : 863,315.28 = 243,283.68 : x - Step 2: Convert to fraction form
575,681.76/863,315.28 = 243,283.68/x - Step 3: Cross multiply
575,681.76x = 863,315.28 × 243,283.68 - Step 4: Simplify right side
575,681.76x = 210,030,518,318.63 - Step 5: Solve for x
x = 210,030,518,318.63/575,681.76 - Step 6: Final answer
x = 364,837.89
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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.