Finding the Fourth Proportional to 368,398.84, 508,369.62 and 207,260.68
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Solution
The fourth proportional to 368,398.84, 508,369.62 and 207,260.68 is: 286,008.05
Step by Step Solution
- Step 1: Write the proportion equation
368,398.84 : 508,369.62 = 207,260.68 : x - Step 2: Convert to fraction form
368,398.84/508,369.62 = 207,260.68/x - Step 3: Cross multiply
368,398.84x = 508,369.62 × 207,260.68 - Step 4: Simplify right side
368,398.84x = 105,365,033,132.54 - Step 5: Solve for x
x = 105,365,033,132.54/368,398.84 - Step 6: Final answer
x = 286,008.05
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.