Finding the Fourth Proportional to 439,139.77, 658,260.93 and 249,199.02
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Solution
The fourth proportional to 439,139.77, 658,260.93 and 249,199.02 is: 373,543.89
Step by Step Solution
- Step 1: Write the proportion equation
439,139.77 : 658,260.93 = 249,199.02 : x - Step 2: Convert to fraction form
439,139.77/658,260.93 = 249,199.02/x - Step 3: Cross multiply
439,139.77x = 658,260.93 × 249,199.02 - Step 4: Simplify right side
439,139.77x = 164,037,975,368.98 - Step 5: Solve for x
x = 164,037,975,368.98/439,139.77 - Step 6: Final answer
x = 373,543.89
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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.