Finding the Fourth Proportional to 368,415.55, 508,377.27 and 207,267.13
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Solution
The fourth proportional to 368,415.55, 508,377.27 and 207,267.13 is: 286,008.28
Step by Step Solution
- Step 1: Write the proportion equation
368,415.55 : 508,377.27 = 207,267.13 : x - Step 2: Convert to fraction form
368,415.55/508,377.27 = 207,267.13/x - Step 3: Cross multiply
368,415.55x = 508,377.27 × 207,267.13 - Step 4: Simplify right side
368,415.55x = 105,369,897,710.14 - Step 5: Solve for x
x = 105,369,897,710.14/368,415.55 - Step 6: Final answer
x = 286,008.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.