Finding the Fourth Proportional to 346,365.70, 519,548.55 and 288,045.70
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Solution
The fourth proportional to 346,365.70, 519,548.55 and 288,045.70 is: 432,068.55
Step by Step Solution
- Step 1: Write the proportion equation
346,365.70 : 519,548.55 = 288,045.70 : x - Step 2: Convert to fraction form
346,365.70/519,548.55 = 288,045.70/x - Step 3: Cross multiply
346,365.70x = 519,548.55 × 288,045.70 - Step 4: Simplify right side
346,365.70x = 149,653,725,768.74 - Step 5: Solve for x
x = 149,653,725,768.74/346,365.70 - Step 6: Final answer
x = 432,068.55
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1.5x scale
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.