Finding the Fourth Proportional to 418,618.84, 577,681.92 and 237,347.68
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Solution
The fourth proportional to 418,618.84, 577,681.92 and 237,347.68 is: 327,532.95
Step by Step Solution
- Step 1: Write the proportion equation
418,618.84 : 577,681.92 = 237,347.68 : x - Step 2: Convert to fraction form
418,618.84/577,681.92 = 237,347.68/x - Step 3: Cross multiply
418,618.84x = 577,681.92 × 237,347.68 - Step 4: Simplify right side
418,618.84x = 137,111,463,489.95 - Step 5: Solve for x
x = 137,111,463,489.95/418,618.84 - Step 6: Final answer
x = 327,532.95
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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.