Finding the Fourth Proportional to 551,658.68, 761,283.77 and 306,637.02
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Solution
The fourth proportional to 551,658.68, 761,283.77 and 306,637.02 is: 423,156.18
Step by Step Solution
- Step 1: Write the proportion equation
551,658.68 : 761,283.77 = 306,637.02 : x - Step 2: Convert to fraction form
551,658.68/761,283.77 = 306,637.02/x - Step 3: Cross multiply
551,658.68x = 761,283.77 × 306,637.02 - Step 4: Simplify right side
551,658.68x = 233,437,781,267.56 - Step 5: Solve for x
x = 233,437,781,267.56/551,658.68 - Step 6: Final answer
x = 423,156.18
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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.